X Position and Y Position set the movie clip's horizontal and vertical position, respectively. The position is relative to the local coordinates of the parent movie clip. X Scale and Y Scale scale the movie clip horizontally or vertically, respectively.
Alpha specifies the movie clip's transparency.
Objects in a movie clip with Alpha set to 0 are active, even though they are invisible. For example, a button in a movie clip with Alpha property set to 0 can still be clicked. Visibility specifies whether the movie clip is visible. Objects in a movie clip with Visibility set to false are disabled. For example, a button in a movie clip with the Visibility property set to false can not be clicked.