Single Part of an Online Site, E.g. Home, About Us
Puzzle 9 of Spring Cleaning Pack
Question is: Single Part of an Online Site, E.g. Home, About Us
and the answer is: WEBPAGE
Word Meaning:
WEB PAGE — (Internet) A single hypertext document (transmitted as HTML) on the World Wide Web, often hyperlinked to others, and intended to be viewed with a web browser.
Definitions from Wiktionary.