How to generate a system Data Model and create a DM from a datasource

1.How to generate a system datamodel:
For example:
Block 1: Generate system modelss_user:
Capture1a
_ Block 2: Generate data model ss_userlist using file dmSetting to import:
Capture2a
2.How to create a DM from a datasource:
_Block 1: Create datasource hr_company_config:
In this phase, we use only csv for datasource input
Capture3a
_ Block 2: Generate data model hr_company_configusing file dmSetting to import:
Capture4a
_ Block 3: Preview data model hr_company_config:
Capture5a