An exclamation symbol in a square speech bubble. 

Speech Bubble With An Exclamation Mark

A circular speech bubble containing a heart symbol.

Speech Bubble With Heart

A round speech bubble with nodes or AI symbols.

An envelope, phone symbol, at symbol, and speech bubble with ellipses.

An @ symbol alongside a speech bubble containing ellipses.

A percentage symbol in a square speech bubble with curved edges. 

A circular speech bubble with a heart symbol.

A speech bubble with three parallel lines symbolizing text..