This is required if your channel is 'invite only'. Well, you guessed it, if there is a way to invite someone on a channel, there is also the ability to KICK someone out of it. For example ,if a person is behaving in an offensive manner by annoying people or flooding the channel with unwanted information, they can be forced out of the channel. Only 'channel operators' are privileged to use this command. Changes the channel's topic.
Channels have topics, that indicate the current topic of conversation.
At times, you may want to send a description of what you are doing or how you are feeling or just anything concerning you on the current channel or in a query. Ok, Now I'm ready for some less basic commands. On most clients these conversations will be handled by separate window. This message can be read by you only. This message can be read by you only.