A basic outline, icon or drawing of an opened door. 

Opened Door Outline

A minimalistic, geometric drawing or outline of the world.

Geometric Drawing Or Outline Of Planet Earth

A hand holding a pencil, drawing an outline of a house.

A rectangular drawing or painting of an outlined leaf.

A minimalistic outlined side-facing face icon or drawing.

A rocket drawing made out of outline strokes.

A drawing or outline of a compass rose 
or geographic directions.

A simple drawing or outline of a uterus. 

An abstract music note icon, outline or drawing.

An outline, drawing or icon of a swimming fish. 