(noun)
a young boy or man employed by an establishment such as a hotel to perform tasks such as opening doors and running errands; in historical usage, a boy or man who serves a person of rank as a personal attendant;
e.g. The hotel manager sent a page out to find the book the guest had requested.
(verb)
to leaf through or flip through a book;
e.g. She quickly paged through the textbook to look for the diagram,
(verb)
to contact via a pager; to summon a page by calling;
e.g. I paged my intern to report to the lab immediately.