Definition of "Trend" :
noun: the popular taste at a given time
"He followed current trends."
noun: a general tendency to change (as of opinion)
"Not openly liberal but that is the trend of the book."
noun: general line of orientation
"The northeastern trend of the coast."
noun: a general direction in which something tends to move
"The trend of the stock market."
verb: turn sharply; change direction abruptly