Translation is the transmittal of written text from one language into another. Although the terms translation and interpretation are often used interchangeably, by strict definition, translation Refers to the written language, and interpretation to the spoken word.Translation is the action of interpretation of the meaning of a text, and subsequent production of an equivalent text, also called a translation, that communicates the same message in another language. The text to be translated is called the source text, and the language it is to be translated into is called the target language; the final product is sometimes called the "target text."