There are five different gating systems provided in casting design. They are the horizontal gating system, vertical gating system, top gating system, bottom gating system and the middle gating system. The gates provide a way for the hot metal to flow.

Gating ratio is the ratio of sprue area to total runner area to total gating area.

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Gating Factor refers to the key element of a series of interdependent tasks which has the ability to delay the whole. For Example: "The arrival of the last shipment of components will be the gating factor for us to be able to meet our on time delivery."

Gating is the technique of synchronizing the motion of the heart with the images taken during tomography to eliminate blurring normally caused by the beating of the heart.

The digital meters measure frequency by counting the number of input pulses which occur in short period of time called gating period