Usage

noun
1.
a customary way of doing something; a custom or practice:
the usages of the last 50 years.
2.
the customary manner in which a language or a form of a language is spoken or written:
English usage; a grammar based on usage rather than on arbitrary notions of correctness.
3.
a particular instance of this:
a usage borrowed from French.
4.
any manner of doing or handling something; treatment:
rough usage.
5.
habitual or customary use; long-continued practice:
immemorial usage.
6.
an act of using or employing; use.
noun
1.
the act or a manner of using; use; employment
2.
constant use, custom, or habit
3.
something permitted or established by custom or practice
4.
what is actually said in a language, esp as contrasted with what is prescribed