1. one
2. single
3. a (article)
4. as soon as
5. entire; whole; all; throughout
6. "one" radical in Chinese characters (Kangxi radical 1)
7. also pr. yāo for greater clarity when spelling out numbers digit by digit

1. level
2. grade
3. rank
4. step (of stairs)
5. classifier: step, level

classifier: 個