period
formal unit consisting of 2 phrases: antecedent and consequent. one basic type of expository thematic presentation
parallel period
a period in which the consequent phrase begins as a repetition of the antecedent
rounded binary form
a binary form in which a restatement of material is presented to conclude the second part. maybe sectional or continuous
sentence
a phrase comprised of a statement, a repetition, and a continuation that leads to a cadence. typically in proportions of 1:1:2. typically 8 measures long