A contribution is on-topic if it is within the bounds of the current discussion, article, etc. The term is normally used in the context of mailing lists, discussion groups, discussion forums, bulletin boards, newsgroups, and wikis.
A contribution is on-topic if it is within the bounds of the current discussion and off-topic if not. The terms are normally used in the context of mailing lists, discussion groups, discussion forums, bulletin boards, newsgroups, and wikis.