To rate something in importance or value.

To control or handle something, such as a machine.

set of things working together as parts of mechanism. Sets of organized planned ideas that work together.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. perform routine maintenance or repair work on.

state in which one is not observed or disturbed by other people.

piece of mechanical or electronic equipment. Objects, machines, or equipment for a specific use.

(of ornamental design or carving) made to resemble partly unrolled scroll of parchment. action of moving text or graphics up, down, or across on computer screen. To move up and down a computer screen.

containing as part of whole being considered. To make someone, something part of a group.

place or type of surroundings where something is positioned or where event takes place. Options on a device that can be changed e.g. sound.

action of person or things that taps. To spy one someone electronically.

as truth or facts.

one by one.

Precise; particular; just about that thing. medicine or remedy effective in treating particular disease.

connected with something else. To form a connection in your mind between things.