Source directory

[Experiences]	https://support.microsoft.com/en-us/office/differences-between-modern-and-classic-experiences-for-lists-and-libraries-30e1aab0-a5cc-4363-b7f2-09e2ae07d4dc
[Site collection feature]	https://support.microsoft.com/en-us/office/enable-or-disable-site-collection-features-a2f2a5c2-093d-4897-8b7f-37f86d83df04