Cardboard Box with Label

A British-style telephone box, or payphone booth, with a slight shadow behind it.

British Telephone Box With Shadow

A ballot box with a paper being slipped in it, or a regular storage box with a paper sticking out of it. 

A basic rectangular closed box or container.

A ballot with a check mark going into a box labeled with a star and the word "VOTE".

A ballot box with a completed ballot going inside.

A Chinese letter in a tilted box with rounded corners.

A ballot with a check mark going into a box labeled with the word "VOTE".