Meter
Measure of time; the grouping of beats into regular patterns. The organization of rhythmic patterns in a composition in such a way that a regular, repeating pulse of beats may continue throughout the composition.
Beat
The regular pulse of music which may be dictated by the rise or fall of the hand or baton of the conductor. by a metronome, or by the accents in music. See conducting patterns.
Rhythm
The subdivision of a space of time into a defined, repeated pattern. Rhythm is the controlled movement of music in time. It may be defined as the division of music into regular metric portions; the regular pulsation of music.
Composition
1. Any musical work or production.
2. The act of compiling and inventing a piece of music.
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