To begin with, the most important thing is to understand the relationships between layouts, widgets, schemas and documents. By the way, Nuxeo Studio does indeed help a lot in clarifying those notions and relationships. Otherwise, I suggest checking this document first for clarification of those definitions, and for some examples:
https://doc.nuxeo.com/x/OoAO --- Mailing list: [email protected] Forum: http://forum.nuxeo.org/f/1/
