In construction, the term "core and shell" refers to the basic structure and framework of a building. The core typically includes the main structural elements such as columns, beams, and concrete walls that provide support and stability to the entire building. This core is essential for ensuring the safety and integrity of the structure, as it bears the weight of the building and resists external forces such as wind and seismic activity.On the other hand, the shell of a building refers to the exterior envelope or skin that encloses the core. This includes elements such as the facade, windows, doors, and roof that protect the interior spaces from the elements and provide a finished appearance. The shell also plays a crucial role in regulating temperature, controlling natural light, and contributing