A unit of language into which a poem
or play is divided is called a... *

Answer + Explanation:

A line is a unit of language into which a poem or play is divided, which operates on principles which are distinct from and not necessarily coincident with grammatical structures, such as the sentence or single clauses in sentences.

Stanza

Explanation:  A line is a unit of language into which a poem or play is divided, which operates on principles which are distinct from and not necessarily coincident with grammatical structures, such as the sentence or single clauses in sentences. ... A distinct numbered group of lines in verse is normally called a stanza.

whether dad arrives in time for the game depends on his conference. subject