description
I assume you mean with the factions plugin, in this case, you'd want to create a faction with /f create <faction name here>, then claim the chunks your house occupies by walking into them and typing /f claim. Note that if you get killed often, other people will be able to claim your house and steal your valuables.
The black wrinkled up disc is an attack of either Herobrine or a Ghast. Gold is a sword fight of two somethings. (I suspect Zombie Pigmen)
He refers to 'faction' as a political group of people.
If you mean "faction," it is a plugin called "Factions" simply do /f help to see all the commands.
side, faction, guild.
you got a disc stuck in the disc changer.
Burn a disc means either to download data to a disc or make a copy of another disc.
If by 'What website is for Minecraft?' you mean 'What website do you play Minecraft on?' than the answer is simply Minecraft.net :)
80 = 80/1 as an improper faction
It doesn't mean anything specific 'in Minecraft', it is short for Major League Gaming.
Bulging disc vs herniated disc
'Pocket Edition', it is Minecraft for iPads and smartphones.