Englishfor English speakers
IP
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noun
(= information science)
the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information
header
Noun
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A header is the text at the very top of the page.
I put my name and the page number in the header of my term paper.
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In football, a header is a goal scored by hitting the ball with one's head
Peter Crouch's header against Chelsea made the highlight show last night.