technology

noun - | tekˈnäləjē |

the branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment.

drawing upon such subjects as industrial arts, engineering, applied science, and pure science.

infrastructure

noun - | ˈinfrəˌstrək ch ər |

the basic physical and organizational structures and facilities (e.g., buildings, roads, and power supplies) needed for the operation of a society or enterprise.

the basic, underlying framework or features of a system or organization.

efficiency

noun - | iˈfi sh ənsē |

the state or quality of being efficient : greater energy efficiency.

an action designed to achieve this : to increase efficiencies and improve earnings.