Left Arrow on Facebook

What it signals here

reaction meaning

Not a native reaction but used in comments to direct attention to a specific comment or post above.

comment use

Boomers use it literally to say 'click the link on the left' or 'look at the photo to the left.'

boomer interpretation

Straightforward directional use — pointing literally left in a carousel or layout.

group use

Used in group posts to reference a pinned post or a previous announcement in the thread.

See it elsewhere