Add more glossary types

docs/faq/Glossary.md

@@ -1,18 +1,64 @@
 # Glossary
 
-## Channel types
+## Common Types
 
+* A **Guild** ([IGuild]) is an isolated collection of users and 
+channels, and are often referred to as "servers".
+	- Example: [Discord API](https://discord.gg/jkrBmQR)
+* A **Channel** ([IChannel]) represents either a voice or text channel.
+	- Example: #dotnet_discord-net
+	
+[IGuild]: xref:Discord.IGuild
+[IChannel]: xref:Discord.IChannel
+
+## Channel Types
+
+### Message Channels
 * A **Text channel** ([ITextChannel]) is a message channel from a 
 Guild.
 * A **DM channel** ([IDMChannel]) is a message channel from a DM.
 * A **Group channel** ([IGroupChannel]) is a message channel from a 
-Group (this is rarely used due to the bot's inability to join groups).
+Group. 
+	- This is rarely used due to the bot's inability to join groups.
 * A **Private channel** ([IPrivateChannel]) is a DM or a Group.
-* A **Message channel** ([IMessageChannel]) is all of the above.
+* A **Message channel** ([IMessageChannel]) can be any of the above.
 
+### Misc Channels
+* A **Voice channel** ([IVoiceChannel]) is a voice channel in a guild.
+* A **Category channel** ([ICategoryChannel]) (2.0+) is a category that 
+holds one or more sub-channels.
 
 [IMessageChannel]: xref:Discord.IMessageChannel
 [ITextChannel]: xref:Discord.ITextChannel
 [IGroupChannel]: xref:Discord.IGroupChannel
 [IDMChannel]: xref:Discord.IDMChannel
-[IPrivateChannel]: xref:Discord.IPrivateChannel
+[IPrivateChannel]: xref:Discord.IPrivateChannel
+[IVoiceChannel]: xref:Discord.IVoiceChannel
+[ICategoryChannel]: xref:Discord.ICategoryChannel
+
+## Emoji Types
+
+* An **Emote** ([Emote]) is a custom emote from a guild.
+	- Example: `<:dotnet:232902710280716288>`
+* An **Emoji** ([Emoji]) is a Unicode emoji.
+	- Example: `👍`
+
+[Emote]: xref:Discord.Emote
+[Emoji]: xref:Discord.Emoji
+
+## Activity Types
+
+* A **Game** ([Game]) refers to a user's game activity.
+* A **Rich Presence** ([RichGame]) refers to a user's detailed 
+gameplay status. 
+	- Visit [Rich Presence Intro] on Discord docs for more info.
+* A **Streaming Status** ([StreamingGame]) refers to user's activity 
+for streaming on services such as Twitch.
+* A **Spotify Status** ([SpotifyGame]) (2.0+) refers to a user's 
+activity for listening to a song on Spotify.
+
+[Game]: xref:Discord.Game
+[RichGame]: xref:Discord.RichGame
+[StreamingGame]: xref:Discord.StreamingGame
+[SpotifyGame]: xref:Discord.SpotifyGame
+[Rich Presence Intro]: https://discordapp.com/developers/docs/rich-presence/best-practices