What is the meaning of 6?
The cardinal number six.
A digit in the decimal system of numbering, as well as octal, and hexadecimal.
an indicator that a triad is in first inversion.
the pitch of a tone that is more extreme than 5; it will be higher or lower depending on local convention.
tone number 6, typically identified with light departing yang qu (陽去).
MI6; the agency or a particular agent.
r (= sei, second-person singular)
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