proficient – adj. a certain level of skill

potential –n. the ability of something to become real to come into being

statistics –n. numbers that provide information answering questions like how many, how often, to what degree?

auditory –adj. related to hearing

tiles –n. a flat piece of material

apps –n. computer applications found on phones, tablets and computers

reverse –v. to change to the opposite state or condition

stroke –n. one part of a written or painted character or painting

semantic –adj. related to meaning

phonetic –adj. related to sound

frustrated –adj. the result of not being able to gain or complete something
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