Apparel designing is a more technical term-pertaining to the specific act of creating clothing from nuts to bolts.
Apparel designing refers to designer who specialize in one type of designing line or category. For example, when you enter a garment shop, you find various sections, such as men section, kids section, women section, party wear, casual wear.All this falls under apparel designing.
Apparel designing is a more generic term rather than generic and it includes the entire process of designing and making a clothing item. It is more technical in its essence and incorporates things like concept designing, evaluation and the final product. Apparel design is not the most used way but business use this to describe the things they are selling or distributing for other producers of clothing.