How does it work?
This advanced configuration tab is not normally required in normal scenarios of your website, these are only needed when there are expectational requirements for the environment that may be existing behind your website. So, you can simply ignore it if you don’t come across any expectational requirements.
Internal Routing URL
This Routing URL is used for backend processes-related flows.
Remove index.php from the link?
If you enable this field then Woo Choice Plugin will remove index.php from all the URLs that it creates for the process of Ring builder and all other features.