object: (computing) a discrete item that provides a description of virtually anything known to a computer
computer science: the branch of engineering science that studies (with the aid of computers) computable processes and structures
pyramidal tract: any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord