For imaginary creatures such as the Beast, animators use the latest motion-capture technology, which tracks actors'movements and facial expressions and then transposes them onto digital figures.
You send me a very nice poem, of the undergraduate school of verse. I reply by a letter of fantastic literary conceits like a passage from one of Shakespeare's sonnets, transposed to a minor key.
In my previous role as a bank teller. I was frequently responsible for transposing client data from paper files and forms into the database where I did so with minimal errors and frequently received praise from my superiors.