diff --git a/iap21.md b/iap21.md
index d4a7c14f0..765ac74be 100644
--- a/iap21.md
+++ b/iap21.md
@@ -1,8 +1,7 @@
 # Iap21
 
 - A [[workshop]].
-- By [[underlay]].
-- [[pull]] 
+- [[by]] [[underlay]].
 - [[go]] https://knowledgestructure.pubpub.org/iap21
   - [[meta]] <https://anagora.org/go/iap21> redirects to the above URL due to the presence of this 'go' block.
 - [[slides]] https://docs.google.com/presentation/d/1EFCzr6Wrur_QgRjB6ibCuJXHauYMGl_2oLrF0nEVEyM/edit#slide=id.p
@@ -21,8 +20,8 @@
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [underlay]: underlay "Underlay"
-[pull]: pull "Pull"
 [go]: go "Go"
 [meta]: meta "Meta"
 [2021-01-25]: journal/2021-01-25 "2021-01-25"
+[topic]: topic "Topic"
 [//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/topic.md b/topic.md
new file mode 100644
index 000000000..0e596d8c2
--- /dev/null
+++ b/topic.md
@@ -0,0 +1,4 @@
+# Topic
+
+- When taking notes (e.g. from a conversation with someone or a meeting), I sometimes call out actual or possible topics to explore by linking to the 'topic' node.
+