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Understanding the roblox spawn function script coroutine relationship is one of those big milestones that separates a beginner scripter from someone who actually knows how to handle complex game logic. If you've ever tried to run a countdown timer and a moving platform script at the same time, only to realize the platform won't move until the timer hits zero, you've run into the "blocking" problem. Luau, the language Roblox uses, is generally single-threaded, meaning it likes to finish one task before moving to the next. To get around this, we use things like spawn, task.spawn, and coroutines to trick the engine into doing multiple things at once. ...