Retrieves information about the current site.
Debugging PHP code is part of any project, but WordPress comes with specific debug systems designed to simplify the process as well as standardize code across the core, plugins and themes.
The purpose of this function is to standardize the way import partials or components of a theme into the main theme template. You could use a standard PHP SSI (server side includes), however, there are some benefits to using get_template_part(). Using this function reduces errors prone to less experienced developers trying to identify fully qualified path on the server.Also, it fails gracefully when files don't exist, and handles a custom hierarchy fallback system aka "fuzzy template searching".