A, B, C and D; first, second, third and fourth

ABC; 123

to differ / to vary / to disagree

characteristic, peculiarity, property

(rare) short for 甲乙経 (Kōotsu Kyō), a medical text from the Jin dynasty of ancient China

(traditional Japanese music) the high notes and low notes, the highs and lows of a piece of music

the first and second; grade A and B / the first two of the Heavenly Stems, 甲 (kinoe) and 乙 (kinoto) / the pros and cons of something, the ups and downs, the strengths and weaknesses

third of the Ten Heavenly Stems / third in rank

the third of the ten Heavenly Stems

something C; the third of the ten Heavenly Stems