Fashion is a style that is accepted and used by the majority of a group at any one time for a substantial period. They tend to grow slowly, remain popular for a while, then decline slowly.
It refers to those styles or designs accepted by a limited group of fashion leaders-elite class-who are first to accept fashion change. These articles are sold in low quantity but at outrageous prices to socialites, entertainers and fashion innovators.
Mass fashion/volume fashion
These are styles widely accepted. High fashion is toned down to adjust into Normal price with Normal fabric.