- reaction meaning
- Understood by most users as a directional pointing gesture, used to highlight comments or tag someone nearby in a thread
- comment use
- Placed before or after a tagged friend's name to draw attention to them in a comment
- boomer interpretation
- Often interpreted literally as 'look to the left' or as a waving hand, causing occasional confusion with greetings
- group use
- Used in group posts to tag a relevant member or point toward a shared resource or link in the thread