An irregular big fluffy cloud with a linear stroke. 

Cloud

Two Strokes

A linear curved non-symmetrical arrow made from a stroke. 

Two bent trees and leaves stroked by the wind.

Star icon with five points and a broken outline stroke.

A "delete" or "erase items" complete illustration with an eraser, strokes, an identity card and a close button.

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.