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.
An EU study aims to utilise citizens and their mobile devices to collect reliable environmental data. Using techniques for crowdsourcing geographic information, the initial focus is species distribution, flooding and land cover of a Welsh reserve.