diff --git a/docs/images/arch-container.pdf b/docs/images/arch-container.pdf
index 559f1fc..ebb90e5 100644
Binary files a/docs/images/arch-container.pdf and b/docs/images/arch-container.pdf differ
diff --git a/docs/images/arch-container.png b/docs/images/arch-container.png
index d071e5b..6ab480b 100644
Binary files a/docs/images/arch-container.png and b/docs/images/arch-container.png differ
diff --git a/docs/images/arch-container.puml b/docs/images/arch-container.puml
index 5b90795..a5a8811 100644
--- a/docs/images/arch-container.puml
+++ b/docs/images/arch-container.puml
@@ -1,23 +1,25 @@
 @startuml arch-container
 ' !includeurl https://raw.githubusercontent.com/RicardoNiepel/C4-PlantUML/master/C4_Container.puml
 !include c4-plantuml/C4_Container.puml
 
 ' title Container diagram for the Software Heritage virtual filesystem (SwhFS)
 left to right direction
 
-Person(user, "User")
+Person(user, "Developer")
+System(tool, "Programming Tool")
 Container(fuse, "FUSE", "kernel", "Delegates filesystem implementation to user space")
 
 System_Boundary(swhfs_bound, "SwhFS") {
 	Container(swh_fuse, "swh.fuse", "pyfuse3, libfuse, FUSE", "Provides a filesystem view of Software Heritage objects")
 	ContainerDb(cache, "Cache", "SQLite or in-memory", "Local cache for objects and metadata")
 	Rel(swh_fuse, cache, "Reads objects and metadata from", "SQL")
 }
 
 System_Ext(archive, "Software Heritage archive")
 
-Rel(user, fuse, "Accesses", "Filesystem")
+Rel(user, fuse, "Browses", "POSIX filesystem")
+Rel(tool, fuse, "Accesses", "POSIX filesystem")
 Rel(fuse, swh_fuse, "Calls user space daemon", "FUSE API")
 Rel(swh_fuse, archive, "Retrieves objects and metadata from", "REST API")
 
 @enduml
diff --git a/docs/images/arch-container.svg b/docs/images/arch-container.svg
index dd86de3..fc1aaf0 100644
--- a/docs/images/arch-container.svg
+++ b/docs/images/arch-container.svg
@@ -1,174 +1,178 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="333px" preserveAspectRatio="none" style="width:1253px;height:333px;" version="1.1" viewBox="0 0 1253 333" width="1253px" zoomAndPan="magnify"><defs/><g><!--MD5=[f9d78948ff2b83227b66866d68effa63]
-cluster swhfs_bound--><rect fill="#FFFFFF" height="207" style="stroke: #444444; stroke-width: 1.0; stroke-dasharray: 7.0,7.0;" width="670" x="572" y="24.5"/><text fill="#000000" font-family="sans-serif" font-size="14" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="85" x="864.5" y="39.4951">«boundary»</text><text fill="#444444" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="58" x="878" y="57.6484">SwhFS</text><text fill="#444444" font-family="sans-serif" font-size="12" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="62" x="876" y="72.5605">[System]</text><!--MD5=[23d6fcc501312e5a77e0f62381cd199c]
-entity swh_fuse--><rect fill="#438DD5" height="115.4531" style="stroke: #3C7FC0; stroke-width: 1.5;" width="219" x="588" y="98"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="663" y="119.1387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="81" x="657" y="136.8203">swh.fuse</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="145" x="625" y="151.7324">[pyfuse3, libfuse, FUSE]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="699.5" y="167.5576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="195" x="598" y="183.8545">Provides a filesystem view of</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="177" x="609" y="200.1514">Software Heritage objects</text><!--MD5=[23ec4f1fff159d71b633b9f85a9aab58]
-entity cache--><path d="M1014,101.5 C1014,91.5 1120,91.5 1120,91.5 C1120,91.5 1226,91.5 1226,101.5 L1226,205.9531 C1226,215.9531 1120,215.9531 1120,215.9531 C1120,215.9531 1014,215.9531 1014,205.9531 L1014,101.5 " fill="#438DD5" style="stroke: #3C7FC0; stroke-width: 1.5;"/><path d="M1014,101.5 C1014,111.5 1120,111.5 1120,111.5 C1120,111.5 1226,111.5 1226,101.5 " fill="none" style="stroke: #3C7FC0; stroke-width: 1.5;"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="1085.5" y="126.6387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="54" x="1093" y="144.3203">Cache</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="130" x="1055" y="159.2324">[SQLite or in-memory]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="1122" y="175.0576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="188" x="1024" y="191.3545">Local cache for objects and</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="65" x="1087.5" y="207.6514">metadata</text><!--MD5=[8fc3522a43f8c7199df5e09e5bb0188e]
-entity user--><rect fill="#08427B" height="52.5938" style="stroke: #073B6F; stroke-width: 1.5;" width="74" x="6" y="129"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="54" x="16" y="150.1387">«person»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="41" x="22.5" y="167.8203">User</text><!--MD5=[f2c2b31a53c5c4ce909f55cafb9e3eda]
-entity fuse--><rect fill="#438DD5" height="131.75" style="stroke: #3C7FC0; stroke-width: 1.5;" width="184" x="214" y="89.5"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="271.5" y="110.6387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="43" x="284.5" y="128.3203">FUSE</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="46" x="283" y="143.2324">[kernel]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="308" y="159.0576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="144" x="232" y="175.3545">Delegates filesystem</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="160" x="224" y="191.6514">implementation to user</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="42" x="285" y="207.9482">space</text><!--MD5=[a8305b23d211bc1ccd9424c697ead2f2]
-entity archive--><rect fill="#999999" height="71.2188" style="stroke: #8A8A8A; stroke-width: 1.5;" width="188" x="1026" y="251"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="110" x="1065" y="272.1387">«external_system»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="162" x="1036" y="289.8203">Software Heritage</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="64" x="1088" y="308.4453">archive</text><!--MD5=[10b3a46bea91c5f43069f2361ea72c4c]
-link swh_fuse to cache--><path d="M807.06,154.98 C868.96,154.69 946.34,154.32 1008.54,154.03 " fill="none" id="swh_fuse-&gt;cache" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="1013.75,154,1004.7386,150.0257,1008.75,154.0143,1004.7615,158.0257,1013.75,154" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="138" x="839" y="121.5669">Reads objects and</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="112" x="854.5" y="136.6997">metadata from</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="33" x="894" y="150.9043">[SQL]</text><!--MD5=[ab48cbd348a76e20eaf6c83ec0a55c56]
-link user to fuse--><path d="M80.02,155.5 C113.14,155.5 163.77,155.5 208.62,155.5 " fill="none" id="user-&gt;fuse" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="213.78,155.5,204.78,151.5,208.78,155.5,204.78,159.5,213.78,155.5" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="68" x="113" y="137.5669">Accesses</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="72" x="111" y="151.7715">[Filesystem]</text><!--MD5=[bb698cf1ed9bc1e60225f23580a72fd2]
-link fuse to swh_fuse--><path d="M398.32,155.5 C453.32,155.5 523.83,155.5 582.48,155.5 " fill="none" id="fuse-&gt;swh_fuse" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="587.75,155.5,578.75,151.5,582.75,155.5,578.75,159.5,587.75,155.5" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="121" x="429" y="122.5669">Calls user space</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="60" x="462" y="137.6997">daemon</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="65" x="459.5" y="151.9043">[FUSE API]</text><!--MD5=[6556e5d5149acdab6ce9b45fdcf5a98f]
-link swh_fuse to archive--><path d="M807.36,199.18 C817.33,202.8 827.32,206.3 837,209.5 C897.46,229.48 966.39,248.37 1020.97,262.44 " fill="none" id="swh_fuse-&gt;archive" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="1025.87,263.7,1018.1468,257.5883,1021.0269,262.4571,1016.1582,265.3372,1025.87,263.7" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="128" x="844" y="176.5669">Retrieves objects</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="145" x="838" y="191.6997">and metadata from</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="64" x="878.5" y="205.9043">[REST API]</text><!--MD5=[5fe99f700e4f8329d9336aad7ab1cfc2]
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="333px" preserveAspectRatio="none" style="width:1396px;height:333px;" version="1.1" viewBox="0 0 1396 333" width="1396px" zoomAndPan="magnify"><defs/><g><!--MD5=[f9d78948ff2b83227b66866d68effa63]
+cluster swhfs_bound--><rect fill="#FFFFFF" height="207" style="stroke: #444444; stroke-width: 1.0; stroke-dasharray: 7.0,7.0;" width="670" x="715" y="24.5"/><text fill="#000000" font-family="sans-serif" font-size="14" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="85" x="1007.5" y="39.4951">«boundary»</text><text fill="#444444" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="58" x="1021" y="57.6484">SwhFS</text><text fill="#444444" font-family="sans-serif" font-size="12" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="62" x="1019" y="72.5605">[System]</text><!--MD5=[23d6fcc501312e5a77e0f62381cd199c]
+entity swh_fuse--><rect fill="#438DD5" height="115.4531" style="stroke: #3C7FC0; stroke-width: 1.5;" width="219" x="731" y="98"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="806" y="119.1387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="81" x="800" y="136.8203">swh.fuse</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="145" x="768" y="151.7324">[pyfuse3, libfuse, FUSE]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="842.5" y="167.5576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="195" x="741" y="183.8545">Provides a filesystem view of</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="177" x="752" y="200.1514">Software Heritage objects</text><!--MD5=[23ec4f1fff159d71b633b9f85a9aab58]
+entity cache--><path d="M1157,101.5 C1157,91.5 1263,91.5 1263,91.5 C1263,91.5 1369,91.5 1369,101.5 L1369,205.9531 C1369,215.9531 1263,215.9531 1263,215.9531 C1263,215.9531 1157,215.9531 1157,205.9531 L1157,101.5 " fill="#438DD5" style="stroke: #3C7FC0; stroke-width: 1.5;"/><path d="M1157,101.5 C1157,111.5 1263,111.5 1263,111.5 C1263,111.5 1369,111.5 1369,101.5 " fill="none" style="stroke: #3C7FC0; stroke-width: 1.5;"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="1228.5" y="126.6387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="54" x="1236" y="144.3203">Cache</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="130" x="1198" y="159.2324">[SQLite or in-memory]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="1265" y="175.0576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="188" x="1167" y="191.3545">Local cache for objects and</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="65" x="1230.5" y="207.6514">metadata</text><!--MD5=[8fc3522a43f8c7199df5e09e5bb0188e]
+entity user--><rect fill="#08427B" height="52.5938" style="stroke: #073B6F; stroke-width: 1.5;" width="110" x="41.5" y="85"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="54" x="69.5" y="106.1387">«person»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="90" x="51.5" y="123.8203">Developer</text><!--MD5=[388b80d23af37d7490aec0b633ef638a]
+entity tool--><rect fill="#1168BD" height="52.5938" style="stroke: #3C7FC0; stroke-width: 1.5;" width="181" x="6" y="173"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="56" x="68.5" y="194.1387">«system»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="161" x="16" y="211.8203">Programming Tool</text><!--MD5=[f2c2b31a53c5c4ce909f55cafb9e3eda]
+entity fuse--><rect fill="#438DD5" height="131.75" style="stroke: #3C7FC0; stroke-width: 1.5;" width="184" x="357" y="89.5"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="69" x="414.5" y="110.6387">«container»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="43" x="427.5" y="128.3203">FUSE</text><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="46" x="426" y="143.2324">[kernel]</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="0" x="451" y="159.0576"/><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="144" x="375" y="175.3545">Delegates filesystem</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="160" x="367" y="191.6514">implementation to user</text><text fill="#FFFFFF" font-family="sans-serif" font-size="14" lengthAdjust="spacingAndGlyphs" textLength="42" x="428" y="207.9482">space</text><!--MD5=[a8305b23d211bc1ccd9424c697ead2f2]
+entity archive--><rect fill="#999999" height="71.2188" style="stroke: #8A8A8A; stroke-width: 1.5;" width="188" x="1169" y="251"/><text fill="#FFFFFF" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="110" x="1208" y="272.1387">«external_system»</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="162" x="1179" y="289.8203">Software Heritage</text><text fill="#FFFFFF" font-family="sans-serif" font-size="16" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="64" x="1231" y="308.4453">archive</text><!--MD5=[10b3a46bea91c5f43069f2361ea72c4c]
+link swh_fuse to cache--><path d="M950.06,154.98 C1011.96,154.69 1089.34,154.32 1151.54,154.03 " fill="none" id="swh_fuse-&gt;cache" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="1156.75,154,1147.7386,150.0257,1151.75,154.0143,1147.7615,158.0257,1156.75,154" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="138" x="982" y="121.5669">Reads objects and</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="112" x="997.5" y="136.6997">metadata from</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="33" x="1037" y="150.9043">[SQL]</text><!--MD5=[ab48cbd348a76e20eaf6c83ec0a55c56]
+link user to fuse--><path d="M151.88,118.33 C205.2,125.02 287.61,135.37 351.97,143.45 " fill="none" id="user-&gt;fuse" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="356.96,144.07,348.5185,138.9965,351.9977,143.4568,347.5374,146.9361,356.96,144.07" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="62" x="241" y="109.5669">Browses</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="108" x="218" y="123.7715">[POSIX filesystem]</text><!--MD5=[a25d420d0677d12b23de6530161fbc1c]
+link tool to fuse--><path d="M187.13,193.96 C229.64,190.76 281.07,186.04 327,179.5 C334.99,178.36 343.25,177.04 351.52,175.61 " fill="none" id="tool-&gt;fuse" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="356.68,174.71,347.1277,172.3112,351.7539,175.5667,348.4985,180.1929,356.68,174.71" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="68" x="238" y="161.5669">Accesses</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="108" x="218" y="175.7715">[POSIX filesystem]</text><!--MD5=[bb698cf1ed9bc1e60225f23580a72fd2]
+link fuse to swh_fuse--><path d="M541.32,155.5 C596.32,155.5 666.83,155.5 725.48,155.5 " fill="none" id="fuse-&gt;swh_fuse" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="730.75,155.5,721.75,151.5,725.75,155.5,721.75,159.5,730.75,155.5" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="121" x="572" y="122.5669">Calls user space</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="60" x="605" y="137.6997">daemon</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="65" x="602.5" y="151.9043">[FUSE API]</text><!--MD5=[6556e5d5149acdab6ce9b45fdcf5a98f]
+link swh_fuse to archive--><path d="M950.36,199.18 C960.33,202.8 970.32,206.3 980,209.5 C1040.46,229.48 1109.39,248.37 1163.97,262.44 " fill="none" id="swh_fuse-&gt;archive" style="stroke: #666666; stroke-width: 1.0;"/><polygon fill="#666666" points="1168.87,263.7,1161.1468,257.5883,1164.0269,262.4571,1159.1582,265.3372,1168.87,263.7" style="stroke: #666666; stroke-width: 1.0;"/><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="128" x="987" y="176.5669">Retrieves objects</text><text fill="#666666" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="145" x="981" y="191.6997">and metadata from</text><text fill="#666666" font-family="sans-serif" font-size="12" font-style="italic" lengthAdjust="spacingAndGlyphs" textLength="64" x="1021.5" y="205.9043">[REST API]</text><!--MD5=[1ef158eaeec12b85ac6ff3fe87bde81a]
 @startuml arch-container
 
 
 
 
 
 skinparam defaultTextAlignment center
 
 skinparam wrapWidth 200
 skinparam maxMessageSize 150
 
 skinparam rectangle {
     StereotypeFontSize 12
     shadowing false
 }
 
 skinparam database {
     StereotypeFontSize 12
     shadowing false
 }
 
 skinparam Arrow {
     Color #666666
     FontColor #666666
     FontSize 12
 }
 
 skinparam rectangle<<boundary>> {
     Shadowing false
     StereotypeFontSize 0
     FontColor #444444
     BorderColor #444444
     BorderStyle dashed
 }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 skinparam rectangle<<person>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #08427B
     BorderColor #073B6F
 }
 
 skinparam rectangle<<external_person>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #686868
     BorderColor #8A8A8A
 }
 
 skinparam rectangle<<system>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #1168BD
     BorderColor #3C7FC0
 }
 
 skinparam rectangle<<external_system>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #999999
     BorderColor #8A8A8A
 }
 
 skinparam database<<system>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #1168BD
     BorderColor #3C7FC0
 }
 
 skinparam database<<external_system>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #999999
     BorderColor #8A8A8A
 }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 skinparam rectangle<<container>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #438DD5
     BorderColor #3C7FC0
 }
 
 skinparam database<<container>> {
     StereotypeFontColor #FFFFFF
     FontColor #FFFFFF
     BackgroundColor #438DD5
     BorderColor #3C7FC0
 }
 
 
 
 
 
 
 
 
 left to right direction
 
-rectangle "==User" <<person>> as user
+rectangle "==Developer" <<person>> as user
+rectangle "==Programming Tool" <<system>> as tool
 rectangle "==FUSE\n//<size:12>[kernel]</size>//\n\n Delegates filesystem implementation to user space" <<container>> as fuse
 
 rectangle "==SwhFS\n<size:12>[System]</size>" <<boundary>> as swhfs_bound {
 	rectangle "==swh.fuse\n//<size:12>[pyfuse3, libfuse, FUSE]</size>//\n\n Provides a filesystem view of Software Heritage objects" <<container>> as swh_fuse
 	database "==Cache\n//<size:12>[SQLite or in-memory]</size>//\n\n Local cache for objects and metadata" <<container>> as cache
 	swh_fuse - -> cache : "===Reads objects and metadata from\n//<size:12>[SQL]</size>//"
 }
 
 rectangle "==Software Heritage archive" <<external_system>> as archive
 
-user - -> fuse : "===Accesses\n//<size:12>[Filesystem]</size>//"
+user - -> fuse : "===Browses\n//<size:12>[POSIX filesystem]</size>//"
+tool - -> fuse : "===Accesses\n//<size:12>[POSIX filesystem]</size>//"
 fuse - -> swh_fuse : "===Calls user space daemon\n//<size:12>[FUSE API]</size>//"
 swh_fuse - -> archive : "===Retrieves objects and metadata from\n//<size:12>[REST API]</size>//"
 
 @enduml
 
 PlantUML version 1.2020.02(Sun Mar 01 11:22:07 CET 2020)
 (GPL source distribution)
 Java Runtime: OpenJDK Runtime Environment
 JVM: OpenJDK 64-Bit Server VM
 Java Version: 14.0.2+12-Debian-1.1
 Operating System: Linux
 Default Encoding: UTF-8
 Language: en
 Country: US
 --></g></svg>
\ No newline at end of file