A car, also known as an automobile, is a wheeled motor vehicle used for transportation. Most definitions of car say they run primarily on roads, seat one to eight people, have four tires, and mainly transport people rather than goods.
A mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
A digital camera or digicam is a camera that produces digital images that can be stored in a computer, displayed on a screen and printed. Most cameras sold today are digital, and digital cameras are incorporated into many devices ranging from PDAs and mobile phones (called camera phones) to vehicles.
A laptop, often called a notebook or "notebook computer", is a small, portable personal computer with a "clamshell" form factor, an alphanumeric keyboard on the lower part of the "clamshell" and a thin LCD or LED computer screen on the upper portion, which is opened up to use the computer.
A tablet computer, commonly shortened to tablet, is a mobile computer with a touchscreen display, which is usually in color, processing circuitry, and a rechargeable battery in a single thin, flat package.