While we won't cover every file in the root Rock folder, below are a couple that you should be aware of. License.aspx: Rock uses several open-source projects in its core. This page gives the attribution and license for each of them, along with the Rock Community License that covers Rock itself.Web.config: This is the core settings file for any ASP.Net application. Unless you know exactly what you're doing you should stay away from editing this file. Keep in mind that any change to this file will cause Rock to restart.