As shown in the accompanying figure,a typical laptop has a keyboard in the base and a screen in the lid,with the lid attaching to the base with hinges.

Hinges

Mechanical bearings that connect two solid objects, typically allowing only a limited angle of rotation between them.

Keyboard

A peripheral device composed of a set of keys used for typing, command input, or control of a computer or other devices.

Lid

It refers to a removable or hinged cover for the top of a container, used to protect or seal the contents within.