What is the meaning of Pass_through?

To go through, to travel through, to transit or lie across a place or from one place to another.

To make something move through something else.

To undergo; to experience.

Synonym of infiltrate.

A framed, window-like aperture in the interior wall of a house, usually between a kitchen and dining room, through which items (especially food) can be passed. A serving hatch.

Source: wiktionary.org