SAP BI7.0 Inventory Management 2LIS_02_BF what tables & fields you used and what is the scenario?

Hi Experts,

Can anybody answer the following below questions from real time point of view with examples?

1. How do you perform Inventory Management and what is the scenario?
2. While using 2LIS_02_BF Data Source from which tables you have extracted data and what fields you used tell me the business scenario from chemical or any manufacturing industry perspective?
3. Why did you enhanced the Data Source tell me the scenario?

Kindly answer these questions these were asked in an interview. Kindly suggest me the few scenarios.

Thanks,

Prasad