executor
n.n. a person or computer program that carries out a specific task or follows a set of instructions. In computing, it is often a small program that runs a larger one.
n. a person or agent that carries out a task or follows a set of instructions. In a technical context, refers to a small program that executes a larger program or a specific command.
The executor runs the main program when you click the button.
The operating system uses a small executor to manage the execution of complex applications without overloading the CPU.
In distributed computing, the executor is responsible for maintaining the state of the application across multiple nodes, ensuring that tasks are completed even if one server fails.
From Middle English executour, from Anglo-Norman executour, from Latin exsecūtor, agent noun of exsequor.