Precise (adjective)

1. Exact in all details.
2. Marked by exactness and accuracy of expression or detail.
3. Clearly defined or identified.
4. Carefully and exactly stated or described.
5. Strictly conforming to a rule, standard, or pattern.

Origin:

Middle english, from latin praecisus, past participle of praecidere to cut off, from prae- + caedere to cut.

Examples:

1. The instructions were precise and easy to follow.
2. The measurement was precise to the millimeter.
3. The definition was precise and clear.
4. The recipe was precise in its measurements.
5. The performance was precise and professional.