Effect: Selects the type of effect to be applied when the Text area is created.
None: No effect is used.
Slide: The Text area is created while it is moving.
Block: The Text area is created with blocks.
Fade In: The Text area fades in when it is created.
Effect Speed: Adjusts the speed of an effect being created.
Effect Direction: Sets the direction when the Slide effect is selected.
Effect Size: Sets the size of the blocks when the Block effect is selected.
More than one Source Area cannot be played at the same time. Therefore, if the playing time of a
source area overlaps, the source area whose playing time ends later is played..