Final answer:
Dialect refers to a pattern of speech that varies based on region or time in history.
Step-by-step explanation:
Dialect refers to a pattern of speech used in a particular region or a time in history. It is a variation of language that includes differences in pronunciation, vocabulary, grammar, and sentence structure. Dialects can be seen in different parts of the same country or across different countries. For example, in the United States, there are different dialects such as Southern, New York, and Boston accents.
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