Interpretation - Interpretation, or interpreting, is an activity that consists of establishing, either simultaneously or consecutively, oral communications between two or more speakers who are not speaking the same language.
Translation - Translation is an activity comprising the interpretation of the meaning of a text in one language and the production of a new, equivalent text in another language. The final product is called a translation.
Source language (SL) – The SL is the original language of a text or utterance before it is translated or interpreted.
Target language (TL) – The language into which a text is rendered. The language one translates or interprets into is the TL.