Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. The English language draws a terminological distinction (not all languages do) between translating (a written text) and interpreting (oral or sign-language communication between users of different languages); under this distinction, translation can begin only after the appearance of writing within a language community.
Power generation from a renewable resource like wind directly depends on the weather, which cannot be easily predicted. An EU initiative improved wind power and electricity demand forecasting in order to make wind power more valuable on the power market.