mastery - n. knowledge and skill that allows you to do, use, or understand something very well
sample - n. a group of people or things that are taken from a larger group and studied, tested, or questioned to get information
literacy - n. knowledge that relates to a specified subject
average - v. to have (a specified number) as an average
code - n. a set of instructions for a computer
interactive - adj. designed to respond to the actions, commands, etc., of a use
gender - n. the state of being male or female
proficient - n. good at doing something