software – n. the programs used to make computers do different things
feature – n. an interesting or important part, quality, ability, etc.
screen – n. the part of a computer that shows images or writing
app – n. program for a smartphone or other device that performs a special function
track – v. to record the progress or development of something over a period
laptop – n. a computer that is small enough to be carried around and used where a person is sitting