We can mark a question as a favorite question, but why can't we do the same to an answer?
20118
Is there any way to favorite/bookmark an answer?
14173
Show original question during editing a question
3860
Proposed improvement to flagging, for answers
9269
Let's make it easier to reply within comments!
144201
Can I place  in a comment?
77290
Why do we tag questions?
97597
How do migrations handle favorited questions?
139407
I can edit a question and have it change, but if I approve an edit from another, this is not enough to make the change happen
101444
I want to see who marked my questions as favorites
25105
Suggestion phrased as a question
77934
Why there isn't a feature that lets any user on SO to request other user to answer their question?
139624
Adding a way to mark answer as "partially accepted"
52307
Use "score" instead of "votes" in the list of questions
4874
Does it matter the order you tag your question
116288
How can I improve questions marked as duplicate?
53369
How to Give Credit for An Answer in the Comments
86188
Get attention to a new answer to an old question