rec：娱乐（体育、个人爱好、艺术和其他娱乐项目）专题：soc：社会性专题：news：与网络消息有关的专题：misc：不适合别处的其他专题：talk：长篇大论，多与政治有关。

• rec: recreational (sports, hobbies, the arts, and other fun endeavors) soc: Social newsgroups new: Topics having to do with net news itself misc : Miscellaneous topics that don't fit any where else. talk : long arguments, frequently political.