"Closed" refers to a state where something is not open or accessible. This can apply to physical spaces, such as a store that is not allowing customers inside, or to systems, like a computer program that is not currently running. When something is closed, it typically means that it is not available for use or interaction. In a broader context, "closed" can also describe a situation where discussions or negotiations are no longer taking place. For example, a contract may be considered closed once all parties have agreed to its terms and no further changes are expected. This indicates a finality in the process.