folio vs symbol

folio

noun
  • a leaf of a book or manuscript 

  • A page in an account book; sometimes, two opposite pages bearing the same serial number. 

  • A book made of sheets of paper each folded in half (two leaves or four pages to the sheet); hence, a book of the largest kind, exceeding 30 cm in height. 

  • A page number. The even folios are on the left-hand pages and the odd folios on the right-hand pages. 

  • A wrapper for loose papers. 

  • A page of a book, that is, one side of a leaf of a book. 

  • A sheet of paper folded in half. 

verb
  • to put a serial number on each folio or page of (a book); to page 

symbol

noun
  • A thing considered the embodiment of a concept or object. 

  • A type of noun whereby the form refers to the same entity independently of the context; a symbol arbitrarily denotes a referent. See also icon and index. 

  • A signalling event on a communications channel; a signal that cannot be further divided into meaningful information. 

  • An internal identifier used by a debugger to relate parts of the compiled program to the corresponding names in the source code. 

  • A character or glyph representing an idea, concept or object. 

  • A summary of a dogmatic statement of faith. 

  • The numerical expression which defines a plane's position relative to the assumed axes. 

verb
  • To symbolize. 

How often have the words folio and symbol occurred in a corpus of books? (source: Google Ngram Viewer )