'STRUCTURE' or 'Musical Form', the structure of a musical composition. The term is regularly used in two senses: to denote a standard type, or genre, and to denote the procedures in a specific work. The nomenclature for the various musical formal types may be determined by the medium of performance, the technique of composition, or by function.

Definitions taken from Britannica.com at https://www.britannica.com/art/musical-form (15th October 2019)

Binary Form - AB

Ternary Form - ABA

Rondo Form - ABACA

Sonata Form - Exposition -> Development -> Recapitulation

Verse/Chorus - Traditional pop song structure using Verse's and Chorus'

Through Composed - A continuous piece of music that has no repeating sections