What is the meaning of Precision?

The state of being precise or exact; exactness.

The ability of a measurement to be reproduced consistently.

The number of significant digits to which a value may be measured reliably.

A bidding system that makes use of many artificial bids to describe a hand quite precisely.

Used for exact or precise measurement.

Made, or characterized by accuracy.

cutting off; act of cutting off

Source: wiktionary.org