RBX.lua.Workspace (Service)

The Workspace is where All Bricks are stored. MOST other things such as Scripts, Weapons, Models, and Spawn Points are stored here too. The Workspace is Absolutely NEEDED for a game to function Correctly. This article isn't that good but you get the idea.

Example

game.Workspace

That would access the Workspace Folder of game. your Physical Character is in game.Workspace