"folios" in the noun sense
1. pagination, folio, page number, paging
the system of numbering pages
2. leaf, folio
a sheet of any written or printed material (especially in a manuscript or book)
3. folio
a book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages
"the first folio of Shakespeare's plays"
Source: WordNet® (An amazing lexical database of English)
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