| A1:
| C. Although in the master button itself you only have the space of one frame for each state, in each frame you can place a multiframe movie clip (of any length) and, like all movie clips, it will play on its own. |
| A2:
| A. If you put a sound in the master version of a button, that sound will be heard in each instance of the original button. However, if all the visual contents of buttons are instances of other symbols, you can have two master buttons without affecting file size negatively. That way, you can have a different sound in each master button. (Of course, two different sounds will add to file size.) |