Ally : A character that helps the player or holds neutral attitude. In kode language, an ally has the same "team" as you or a team which is stated as "allies".
Biome tool : A "clever" brush that uses both Paint and Prop tools together, identifiying the respective texture or prop according to the terrain (flat, slope, vertical, cave, water) and size of brush (which scales the props accordingly).
Brain : The input of all assignments for a specified prop.
Prop : any entity in the game (objects, characters, champions, effects, sound effects, assemblies)