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joy – n. happiness
alternative – n. something that can be chosen instead of something else
conversation – n. a spoken exchange between two or more people
format – n. structure
fluency – n. the ability to speak easily
frequency – n. the number of times that something happens during a particular period
dialog – n. a conversation; a discussion involving two or more groups
ground rule – n. a rule about what should be done in a particular situation
