fundamental –adj. relating to the most important part of something

principle –n. a basic truth of idea that forms the basis of a belief

digital – adj. involving or related to computer technology

probation –n. a period of time when a person who has made a serious mistake is watched and must behave well

fist - n. a person's hand when the fingers are bent in toward the middle of the hand and held there tightly

contribute –n. to give something to help a cause or group