fashion is the most general term and applies to any way of dressing, behaving, writing, or performing that is favored at any one time or place. style often implies a distinctive fashion adopted by people of taste. mode suggests the fashion of the moment among those anxious to appear elegant and sophisticated. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.