It looks really complicated. I think the diagram try to classify concepts that apply to different idea.
For example, * simple(2/4, 3/8 etc.) vs. compound (6/8, 7/8 etc.) applies when talking about just the meter itself, i.e. one measure of music * consistent vs. changing applies when talking about meters in one part or voice * homogenous vs. polymetric, apply when talking about multiple voices or a piece of music
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