- reaction meaning
- Used to indicate note-taking, agreement, or that something is worth saving. Less ironic than on other platforms.
- comment use
- Placed in comments to signal a user is writing a longer response, or to validate a post as insightful and worth documenting.
- boomer interpretation
- Older users often use it literally — to mean 'I wrote this down' or 'I made a note of this appointment/recipe/tip'.
- group use
- In writing, book club, or academic groups it signals active participation, authorship, or contribution to a collaborative document.