Universal Turing Machines

hey guise, what the hell is a universal turing machine? What's the difference between a standard turing machine and a universal one? For the definitions found online they sound exactly the same. What's the universal deal?

good question

A turing machine takes an input and computes a function. It might even halt.

A Universal Turing Machine takes the description of a Turing Machine (Which may be another UTM) which we will call m, and a set of inputs which we will call i.

It will then compute the function that m would, with the input i, and return the same result.

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