What is the meaning of Tuning?

Action of the verb to tune.

1. The calibration of a musical instrument to a standard pitch.
2. Ellipsis of tuning system.
3. The adjustment of a system or circuit to secure optimum performance.

The calibration of a musical instrument to a standard pitch.

Ellipsis of tuning system.

The adjustment of a system or circuit to secure optimum performance.

present participle and gerund of tune

tuning, personalizing, pimping

car tuning, modding, pimping

car tuning, pimping (process of modifying a vehicle)

car tuning, modding, pimping

Source: wiktionary.org