What is the meaning of Exact?

Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.

Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.

Precisely or definitely conceived or stated; strict.

Such that the kernel of one homomorphism is the image of the preceding one.

To demand and enforce the payment or performance of, sometimes in a forcible or imperious way.

To make desirable or necessary.

To inflict; to forcibly obtain or produce.

exactly

exact, precise

exact; precise

exact, precise

exactly, precisely

Source: wiktionary.org