What is a Throttle Body? on 2003 Honda Element

gear stuck in park;use manual shift lock to get out of gera;have brake lights;diagnosed to replace throttle body.
Hear a clicking sound when try to get out of park.

Asked by for the 2003 Honda Element
you need another shop. the soloniod for the shfter interlock may be bad but the throttle body has no connection to the trans shift cable.