page

one side of one leaf of a book, magazine, etc., or the written or pictorial matter it contains

in medieval times a youth acting as a knight's attendant as the first stage in training for knighthood

a youthful attendant at official functions or ceremonies such as legislative functions and weddings

a boy who is employed to run errands

contact, as with a pager or by calling somebody's name over a P.A. system

number the pages of a book or manuscript

work as a page