Trend: a general direction in which something is moving or evolving. In fashion a trend may relate to a style, color, pattern, etc. that is gaining widespread acceptance or adoption. Trends are transient and may be long- or short-term although a very short-term trend is more usually called a “fad.
Fashion A-Z, An Illustrated Dictionary, by Alex Newman and Zakee Shariff
(A resource everyone writing about clothing needs)—