What does Disposing Fullness means?

Disposing fullness is to get rid of excess fabric to make the garment fit better. One common method is to use darts in the bodice of a woman's dress or in a fitted blouse.

what are the similarities between pleats and tucks?

The phrase "disposing fullness" does not have a specific definition in the English language. However, if you are referring to a specific context or subject, such as in a certain industry, it may have a different meaning. To understand the specific meaning of "disposing fullness," it is important to provide more context and information about where you came across this phrase.