trend -
a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right"
direction,
way a general course along which something has a tendency to develop; "I couldn't follow the direction of his thoughts"; "his ideals determined the direction of his career"; "they proposed a new direction for the firm"
trend -
a general direction in which something tends to move; "the shoreward tendency of the current"; "the trend of the stock market"