A page is normally linked to the menu bar located on the top of your website (eg: Home, About, Our Services, Shop, Contact Us).
Things you might include on a page?
Things you put on a page vary based on your company campaign but generally would include text describing your pages objective, accompanied by pictures, graphics, and basically anything that would be appealing to your target market when it comes to promoting your company. A page can also include information about your company history, background, the team, basically everything a user would view to know more about your business.