WordPress get_template_part() Loading Template Part
Example
Pulls the code from a certain specified file into another file where the call was made.
E.g. inside example.php
<h1>Hello World!</h1>
Inside page.php
// header code
get_template_part('example');
// rest of page code
Output:
// header code
<h1>Hello World</h1>
// rest of page code
