A construction crane holding a rectangular sign with a plus sign and horizontal lines.

Construction Crane Holding Sign

A skyscraper or tall tower block with columns and a billboard with a fish icon on the roof.

Skyscraper With Billboard

An empty poster, blank sheet or notice held up by two bulldog clips

A blank rectangular sign held up by two posts.

A sign on sticks with flags on each corner and a rope to secure it in the back. 

The back of a billboard, with the supports visible.

A election poster for a smiling male candidate politician with a check box and text with a folded corner.

A tall building or tower block with advertising billboards and a parking sign.

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