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Since a page template is a specific type of template file, here are some distinguishing features of page templates:

• Page templates are used to change the look and feel of a page.
• A page template can be applied to a single page, a page section, or a class of pages.
• Page templates generally have a high level of specificity, targeting an individual page or group of pages. For example, a page template named page-about.php is more specific than the template files page.php or index.php as it will only affect a page with the slug of “about.”
• If a page template has a template name, WordPress users editing the page have control over what template will be used to render the page.