Up-left Arrow on Snapchat

What it signals here

friend system usage

Used in snaps to point toward a friend's Bitmoji or username displayed in the upper corner of the screen.

streak use

Rarely used in streak snaps but occasionally appears to point out the streak count displayed at the top.

story meaning

Placed over Story content to direct viewers toward a tagged friend or a detail in the upper-left of the frame.

snap context

Used in group chats to refer back to a message that scrolled up, effectively saying 'scroll up and read that.'

See it elsewhere