beat
the pulse that is felt or conducted
simple meter
meter in which subdivisions are in groups of two
compound meter
meter in which subdivisions are in groups of three
mixed meter
meter in which subdivisions are in a combination of groups of two and three
duple
meter in which there are two felt beats (regardless of if simple or compound)
triple
meter in which there are three felt beats (regardless of if simple or compound)
quadruple
meter in which there are four felt beats (regardless of if simple or compound)