Left-right Arrow on Facebook

What it signals here

reaction meaning

Generally used as a literal directional marker or to indicate a comparison in shared posts.

comment use

Older users tend to use it literally, e.g., 'swipe ↔️ to see more photos'.

boomer interpretation

Most commonly interpreted as a literal instruction to scroll or swipe left/right.

group use

Used in group posts to highlight two options, sides of a debate, or contrasting product comparisons.

See it elsewhere