Answer:

unities

Answer	Crossword Clue
UNITIES	Concords
UNITIES	Classical canons of dramatic composition.
UNITIES	Agreements.

UNITIES	Principles in dramatic structure.
UNITIES	Aristotle's three ... of drama.
UNITIES	Dramatic criteria formulated by Aristotle
UNITIES	Dramatic principles
UNITIES	Harmonious wholes
UNITIES	Place time and action