The reintroduce keyword in Delphi is designed to explicitly hide an inherited method in a derived class when you introduce a new method with the same name and signature. This keyword's main purpose is to prevent compiler warnings that might arise when a method in a derived class unintentionally shadows a method in the base class.In object-oriented programming, this programming language requires the reintroduce keyword if you define a method in a subclass with the same name as one in its parent class but don't intend to override it. This makes it clear to both the compiler and developers that the method in the subclass is entirely new and not an override. It's particularly useful when introducing a method in a derived class that doesn't align with the inheritance chain or changes the method's parameters.