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"
an exchange of views on some topic; "we had a good discussion"; "we had a word or two about it"
the act of distributing by allotting or apportioning; distribution according to a plan; "the apportionment of seats in the House of Representatives is based on the relative population of each state"