Answer:
Line length--Determined by the sets, or feet, of stressed and unstressed syllables in a line of poetry
Rhyme scheme--The pattern of letters assigned to the common sounds of words at the end of lines in a poem
Stanza breaks--Determined by the number of lines in a group; can reflect similar ideas or represent a shift of change in thought.
White space--Communicates silence, emotion, or shape in a poem through emptiness or lack of words.