diff --git a/back link.md b/back link.md
new file mode 100644
index 000000000..7c9d3ecb4
--- /dev/null
+++ b/back link.md	
@@ -0,0 +1,5 @@
+# back link
+
+- [[push]] [[backlink]] 
+  - an incoming link to the context you're in (web page, roam/foam note, agora node).
+
diff --git a/journal/2021-08-11.md b/journal/2021-08-11.md
index 6e022e734..f5aa221fb 100644
--- a/journal/2021-08-11.md
+++ b/journal/2021-08-11.md
@@ -7,5 +7,9 @@
 - [[twitter analytics]]
 - [[cormen]]
 - [[fediverse party]]
+- [[navigation]]
+  - [[back link]]
+  - [[forward link]]
 - [[flow]]
-  - fixed backup issue that 
+  - fixed backup issue that was plaging thecla/filling up space
+  - finally added agora-server and agora-bridge as systemd (user) services succesfully