What is the meaning of paging?

noun

• Calling out the name of a person (especially by a loudspeaker system. )
  • usage: "the public address system in the hospital was used for paging"
• The system of numbering pages.
  • synonyms: pagination, folio, page number

verb

• Contact, as with a pager or by calling somebody's name over a P. A. System.
  • synonyms: page
• Work as a page.
  • usage: "He is paging in Congress this summer"
  • synonyms: page
• Number the pages of a book or manuscript.
  • synonyms: foliate, paginate, page