In linguistics, grammar is the set of structural rules governing the composition of clauses, phrases, and words in any given natural language. The term refers also to the study of such rules, and this field includes morphology, syntax, and phonology, often complemented by phonetics, semantics, and pragmatics.
American Wire Gauge (AWG) is a U.S. standard set of non-ferrous wire conductor sizes. The gauge means the diameter.
A discussion of the meaning of wire gage to cable quality, and how the significance of wire gage differs depending upon the application. What is AWG (American Wire Gage), and Does it Matter?