How to create a editable template by using our base template (i,e., not using we-retail templates).
You can learn all about Editable Templates here:
1 - Scott's Digital Community: Guided Journey for Experience Manager on Editable Templates
2 - Adobe Experience Manager Help | Creating an Adobe Experience Manager 6.4 website using Editable Temp...
3 - muich larger end to end - WKND Tutorial Overview
Go through these and you will understand how to work with editable templates and how to create AEM sites by using them.