A particular type of specific aircraft, rocket, or such, which differs from others of the same model by the arrangement of its components or by the addition or omission of auxiliary equipment; for example, long-range configuration or cargo configuration.

The three- dimensional spatial arrangement of atoms in a stable or isolable molecule.

For a computer system, the relationship of hardware elements to each other, and the manner in which they are electronically connected.

A group of components interconnected to perform a desired circuit function.

An arrangement of geometric objects.

The positions of all the particles in a system.

A group of machines interconnected and programmed to operate as a system.