A cloud with three overlapping files, an add button, a loopy line and a dot.

Cloud With Files, Swirly Line And Add Button

Three Folders

A plus sign in a circle or an add button.

A shopping basket with a plus icon, or an "add to cart" icon. 

A folder icon with a paperclip and a plus icon inside a circle.

A "watch or follow" illustration of a front-facing opened book with an "add friend" icon and a play button.

A simple heart icon inside a round speech bubble next to an add button represented by a plus shape in a circle.

A round avatar or profile picture of a smiling person with a ponytail and an add button.