Definitions
1.Adjectivetopical
2.NounA subject; a theme; a category or general area of interest."A society where a topic cannot be discussed, does not have free speech.; stick to the topic; an interesting topic of conversation; romance is a topic that frequently comes up in conversation"
3.NounA discussion thread.
4.NounA component similar to a message queue which supports multiple subscribers.
5.NounA musical sign intended to suggest a particular style or genre.
6.NounAn argument or reason.
7.NounAn external local application or remedy, such as a plaster, a blister, etc.