Definify.com

Webster 1913 Edition

Noun.

The act or process of commenting or criticising; exposition.

[R.]

The spirit of

commentation

Whewell.

The result of the labors of a commentator.

commentation ‎(plural commentations)

The act or process of commenting or criticising; exposition.
The spirit of commentation. — Whewell.
The work of a commentator.
(programming) Utilization of comments in a source code.
In-program commentation is another level of documentation that is compulsory, with standards being set regarding what should be included in source code. Case Studies in Algorithms and Programming, 1997

act or process of commenting

work of a commentator

utilization of comments in a source code