Definition of “broad” - Learner’s Dictionary

broad

adjective uk us /brɔːd/
WIDE

B1 wide:

broad shoulders
a broad smile
a broad range/variety, etc

B1 a group that includes many different things or people:

a broad range of subjects
a broad outline/picture, etc

a general description, without detail:

This is just a broad outline of the proposal.
SPEECH

A broad accent (= way of speaking from a region) is very noticeable:

a broad Irish accent
in broad daylight

during the day when it is light and people can see:

He was attacked in broad daylight.

(Definition of “broad” from the Cambridge Learner's Dictionary © Cambridge University Press)