1) Fashion forecasters work to identify emerging trends by closely watching many different influences from high and low culture. They communicate this information to product developers and marketers.
2) Forecasting aims to project past trends into the future by anticipating future developments based on signals of change in the present. It attempts to identify the source, pattern, direction, and tempo of trends.
3) There are different types of trends like emerging trends, building trends, declining trends, fads that fade quickly, and classics that achieve widespread acceptance over a long period.