"Shell and Core" refers to a type of building construction where the basic structure is completed, but the interior finishes and systems are not. This includes the exterior walls, roof, and basic utilities, providing a framework for future development. It allows tenants or buyers to customize the interior according to their needs. This approach is common in commercial real estate, particularly in office buildings. By delivering a shell that is ready for tenant improvements, developers can attract businesses looking for a space that meets their specific requirements without the cost of full interior construction.