The system is a collection for a purpose, forming a more complex whole, buikding has many different types of systems, including machinery.
The concept system includes the definition, scale, proportion and organization of the interior space of the building; human activities of scale and dimensions; movement or path through the building; form, space, light, color, texture and pattern; and the natural environment and the built environment Relationship between.
The structure includes the foundation of the building as well as the columns, beams and load-bearing walls for support.
The outer casing is the roof, exterior walls, doors and windows of the building, and they all have their own use.
The mechanical system includes water supply for use, sewage treatment, waste removal and organic household waste, heating, ventilation and air conditioning to provide a comfortable environment for the occupants; and electrical systems to protect the power supply, such as lighting, security and communication systems .