Meaning of “usage” - Learner’s Dictionary

usage

noun uk us /ˈjuːsɪdʒ/
WORDS [ C, U ]

the way that words are used:

a guide to English grammar and usage
AMOUNT [ U ]

the amount of something that is used, or the way that something is used:

(Definition of “usage” from the Cambridge Learner’s Dictionary © Cambridge University Press)