Definitions:
each of a pair of marks ( ) [ ] { } 〈 〉 used to enclose words or figures so as to separate them from the context

a category of people or things that are similar or fall between specified limits

a right-angled support attached to a wall for holding a shelf, lamp, or other object.

the distance between two artillery shots fired either side of the target to establish range.

a diagram representing the sequence of matches in a sports tournament, especially as used for making predictions about its outcome

a person's nose or jaw

enclose (words or figures) in brackets

place (one or more people or things) in the same category or group

hold or attach (something) by means of a right-angled support

establish the range of (a target) by firing two preliminary shots, one short of the target and the other beyond it.