Real Dictionary

discussion
variable noun: If there is discussion about something, people talk about it, often in order to reach a decision.

discussion in American English
the act of discussing; talk or writing in which the pros and cons or various aspects of a subject are considered
noun: an act or instance of discussing; consideration or examination by argument, comment, etc., esp. to explore solutions; informal debate

discussion in British English
noun: the examination or consideration of a matter in speech or writing