The state of things being similar or identical.
A point of resemblance; a similarity.
The state of being conforming, of complying with a set of rules, with a norm or standard.
The ideology of adhering to one standard or social uniformity.
The quality or state of being simultaneous; simultaneousness.
More than one complete musical texture occurring at the same time. This first appeared in the music of Charles Ives, and is common in the music of Conlon Nancarrow, and others.