S: (n) discussion, treatment, discourse (an extended communication (often interactive) dealing with some particular topic) "the book contains an excellent discussion of modal logic"; "his treatment of the race question is badly biased"
Verb
S: (v) discourse, talk about, discuss (to consider or examine in speech or writing) "The author talks about the different aspects of this question"; "The class discussed Dante's `Inferno'"
S: (v) hold forth, discourse, dissertate (talk at length and formally about a topic) "The speaker dissertated about the social politics in 18th century England"