You can send messages to different channels like so: /say message is Vicinity. /o message is your Org (guild). /t message is Team (active only when in a team). Back before the new chat system, it was a pain to change chat channels; you could change channels by either clicking on the channel in your Friends drop down or by using /ch like /ch vicinity or /ch vi and so on. That second method is even more cumbersome if you have a guild with a name like mine - /ch Devil`s Advocate is a lot to type. Personally, I still find changing channels with the newer chat system a little clumsy so what I did, before even the new chat system existed, was create some scripts for changing chat channels which I still use to this day: