answernote
nounUK /ˈɑːnsə nəʊt/
US /ˈænsər noʊt/
A short written message you write back to someone.
She left an answernote on the kitchen table for her mom.
OTHER MEANINGS
2. A quick written reply to a question on a test or worksheet.
He wrote a short answernote beside each question.
3. A small card sent back to say you got an invitation.
We mailed an answernote to say we would come to the party.
4. A comment written in the margin of a book or paper.
The teacher put an answernote next to my drawing.