☐

Etymology
A blank ballot box, usually to be filled with either or.

Symbol

 * 1) To be filled with  or, indicates agreement.
 * 2) In a list, to be filled with either  indicating agreement or  indicating disagreement.
 * Select which ice cream flavors you like: (in this example, the surveyee only likes vanilla, among the given options)
 * Chocolate ☒
 * Strawberry ☒
 * 1) To be filled with  or, indicates a vote.
 * ☐ Candidate 1
 * ☐ Candidate 2
 * ☒ Candidate 3
 * ☐ Candidate 2
 * ☒ Candidate 3