At the beginning of an article or webpage, a ________ functions as a miniature version of the document, giving readers all the key points while skipping over details, and often helping a reader decide whether to invest the time needed to read the full document. This compositional mode can also function as a review, reminding readers of the key points they've just read.

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The Answer of At the beginning of an article or webpage, a ________ functions as a miniature version of the document, giving readers all the key points while skipping over details, and often helping a reader decide whether to invest the time needed to read the full document. This compositional mode can also function as a review, reminding readers of the key points they've just read.

At the Beginning of an Article or Webpage, a ________