subscription – n. an amount of money paid to regularly receive a product or service
generate – v. to bring into existence; to create
revenue – n. the amount of money produced; the money returned by an investment
lens – n. curved piece of glass used by cameras to capture pictures
display – n. the area where information and operations are shown on an electronic device
battery – n. object that provides power to things
laptop – n. a computer small enough to be carried around and used when the person is sitting
pattern – n. a particular way something is done or repeated