Hi Kavin
It is great to have people started exploring MAIA lets come to geneartion of domain
1.Always be specific and business-context driven:
1.1 Mention entity names explicitly
1.2 Specify relationship types (one-to-many, many-to-many)
1.3 Include key attributes and their types
1.4 Mention business rules if any (e.g. one employee can have many requests)
2. Modifying an Existing Domain Model
I hope this helps , the more you explore the more you can understand. I hope this helps