The type of structure determines how the parts are put together.
Modern communities are usually planned according to guidelines.
Structures need to be maintained.
Many systems are used in buildings.
The selection of designs for structures is based on factors such as building laws and codes, style, convenience, cost, climate, and function.
Structures rest on a foundation.
Some structures are temporary, while others are permanent.
Buildings generally contain a variety of subsystems.
Infrastructure is the underlying base or basic framework of a system.
Structures are constructed using a variety of processes and procedures.
The design of structures includes a number of requirements.
Structures require maintenance, alteration, or renovation periodically to improve them or to alter their intended use.
Structures can include prefabricated materials.