re:DEFINE

mute: (adjective) refraining from speech or temporarily speechless, not expressed in speech, (noun) a person lacking the faculty of speech, ...

http://oxforddictionaries.com/definition/english/shift?q=shift Shift: (verb) move or cause to move from one place to another, especially ...

Compose: write or create (a work of art, especially music or poetry), phrase(a letter or piece of writing) with great care and thought, fo...