It can often be difficult to locate items. The link below will provide the PDF that Microsoft offers at download.microsoft.com/download/6/B/8/6B8FB1A0-FFE5-4222-BEE6-A51CB6AACAE9/customizeSharePointSites.pdf
Or Download it here:
There is a lot of useful information in this PDF. Good luck with your SharePoint application.
If you have challenges please feel free to reach out with questions at Contactus@quixtec.com and we will answer your questions.
Also: If you need more hands-on assistance you can hire us by-the-hour with a one hour minimum. No need to get locked in on expensive long-term rates or contracts.
Finally: Look into VisualSP which is an Inline Context Help menu for SharePoint. It will make your users feel like experts in no time. https://www.visualsp.com
MODERN TEMPLATE – Latest information from Microsoft: GUIDE TO THE MODERN EXPERIENCE https://docs.microsoft.com/en-us/sharepoint/guide-to-sharepoint-modern-experience
I hope this helps teams with their SharePoint experience and greatly improves your business productivity!
Richard Lucky Quatier