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digital assistant - n. an application program that can understand natural language and complete electronic tasks for the user.
subscribe - n. to get a publication or service regularly
GIF - n. a format for image files that supports both animated and static images
hardware - n. computer equipment used for a particular purpose
deposit - n. money that you give someone when you agree to buy something
app chart - n. a list that shows which apps have been downloaded the most during a recent period of time
hack - v. to secretly get access to the files on a computer or network in order to get information, cause damage, etc
auto-forward - v. to automatically send (something you have received, such as a letter) to someone else
