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artificial – adj. not natural or real
mobile – adj. able to be moved
source – n. someone or something that provides what is wanted or needed
according – adv. as stated by or in
fund – n. a plan or program
error – n. a mistake or problem
cloud – n. the large computers (called servers) that you can connect to on the Internet and use for storing data
escalation – n. to become worse or to make (something) worse or more severe
ladder – n. a series of steps or stages by which someone moves up to a higher or better position
turtle – n. a reptile that lives mostly in water and that has a hard shell which covers its body
