👉 The term "preexists" in computer science refers to a situation where an object or entity is created before it has been defined or verified. This can happen for various reasons, such as when a programmer creates an object without actually defining it, or when a design team creates an object before the final implementation has been finalized. In this context, "preexists" means that the object or entity was created before any verification or validation process had been completed, and therefore it is not yet fully defined or