Page templates are alternative layouts for WordPress pages. Every website has a few, for example: home, contact, full-width, landingpage. You will find them in WordPress on the right side of your screen when you create a new page or edit an old one:
With the above method you can quickly create pages according to a fixed pattern. This is useful, because a contact template, for example, probably already contains a contact form. Page templates also provide unity within your website.
For help with your page templates, you can of course turn to a WordPress specialist.
