| 順序 | The sequence of steps in a procedure.- the order of books arranged by a certain system, (i.e. Dewey Decimal). |
| 順番 | Order of people in a line (take a number!) – order of bands on a live show. $$$ |
| 序列 | One’s ranking in the pecking order. More limited than 順番。 序列 is limited to, say, organization hierarchy or social stratification. |