Biomes – Areas of the Minecraft world with different terrain, eg. jungle, desert etc.
Creeper – In-game characters that sneak up on players and explode causing damage.
Spelunking – Exploring caves to mine resources.
Steve – The basic male default skin in the game, Steve is the name of the playable character that gamers control.
Mobs – Short for mobile or monsters. Creatures created by Minecraft that interact with other players, eg. creepers, zombies, horses and villagers.