Delegation means that Sp from one account is used by a different account. I don't own it, but it's in @minnowsupport. I paid him SBDs.
Discord is a semi-sophisticated chat room that can do voice and accept programmed commands.
The is a bot that upvotes stuff based on user commands. So, the folks in there don't own the main account, but they have access to the bot, which has access to the main account. They use the bot to upvote stuff.