functions.php is a main file to control WordPress. In our system, it works as the "brain" of AOCUM. It connects data from ACF and the JSON-LD output. It helps AI understand that our information is correct and special.
A: Because this file is the heart of the system, and a small mistake can stop the whole website. Also, it helps the system work correctly. For example, we must protect the system while we change the settings. It is a very important part of our site.
