| Rhythm | A general term used to refer to the time aspect of music, as contrasted with the pitch aspect.
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| Dot | Always adds to the duration one-half the value of the note, rest, or dot that precedes it.
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| Beat | The basic pulse of a musical passage.
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| Tempo | The rate at which the beat occurs.
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| Meter | The pattern of beats.
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| Measures | The groups of beats.
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| Bar Line | A notation indicating the end of a measure, depicted by a vertical line through the staff.
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| Duple, Triple and Quadruple | Refers to the number of beats in each measure.
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| Duple Meter | Two-beat measure: Strong-weak.
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| Triple Meter | Three-beat measure: Strong-weak-weak.
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| Quadruple Meter | Four-beat measure: Strong-weak-less strong - weak.
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| Metric accent | The pattern of stresses.
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| Divisions of the Beat | Durations in a musical passage that are shorter than the beat.
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| Simple Beat | Beats divided into two equal parts.
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| Compound Beat | Beats divided into three equal parts.
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| Time Signature | A symbol that tells the performer how many beats will occur in each measure, what note value will represent the beat, and whether the beat is simple or compound.
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| Grouplet (or tuplet) | Refers to the division of an undotted value into some number of equal parts other than two, four, eight, and so on or the division of a dotted value into some number of equal parts other than three, six, twelve, and so on.
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| Beams | Used to connect durations shorter than a quarter note when the durations occur within the same beat.
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