literacy - n. knowledge that relates to a specified subject

abstract - adj. relating to or involving general ideas or qualities rather than specific people, objects or actions

manipulate - v. to move or control something with your hands or by using a machine

touch-sensitive - n. a monitor screen that can detect or respond to something, such as a finger or stylus, pressing on it

snap - n. a device that fastens something by closing or locking with a short, sharp sound

trend - n. a general direction of change