commentation

plural commentations

1. countableuncountableThe act of making comments.

   The spirit of commentation, as has already been suggested, turns to questions of taste, of metaphysics, of morals, with far more avidity to physics.

   1837, William Whewell, “The Commentatorial Spirit of the Middle Ages”, in History of the Inductive Sciences, from the Earliest to the Present Times. […], volume I, London: John W[illiam] Parker, […]; Cambridge, Cambridgeshire: J. and J. J. Deighton, →OCLC, book IV (History of the Physical Sciences in the Middle Ages), page 268

2. countableuncountableThe work of a commentator.
3. countableuncountablecomputingThe use of comments in 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.

   1997, Case Studies in Algorithms and Programming