White Square Button on Snapchat

What it signals here

friend system usage

Almost no usage in Snapchat's friend system; not a Bitmoji or streak-relevant emoji.

streak use

Not commonly associated with streaks; might appear in a snap as a visual design element.

story meaning

Could be placed on a Snap story as a minimalist background tile or design component.

snap context

Might be used in a snap to create a 'blank canvas' visual effect or as part of a puzzle/game.

See it elsewhere