Part
A basic 3D building block.
A Part is one of the first objects you use in Roblox Studio. It can be clicked, touched, colored, resized, and scripted.
Roblox glossary
Roblox Studio combines 3D world building, UI, and scripting in one beginner-accessible editor. Many early terms revolve around the Explorer hierarchy and event scripts.
Script
Server-side code in Roblox.
A Script usually runs on the server and is used for shared gameplay behavior, world logic, and replicated systems.
LocalScript
Client-side code for the local player.
LocalScripts are commonly used for GUI, camera, and input behavior that belongs only to one player’s client.
Explorer
The hierarchy panel in Roblox Studio.
Explorer shows how objects are arranged. Understanding where a Script or GUI object lives is critical for getting expected behavior.
leaderstats
A simple score display convention.
leaderstats is a folder pattern many Roblox games use to show values like score, coins, or wins on the player list.
ClickDetector
A component that lets players click 3D objects.
ClickDetector adds a direct click interaction model to a part so scripts can respond to MouseClick events.