Crystal Reports Help Needed

Hi All,

I am new to crystal reports.I got a new requirement and the document contains some format as below

1.brand Weekly Sales and Stock Report- Summary

2.brand Weekly Sales and Stock Report- Details

And under brand Weekly Sales and Stock Report- Summary there one report format

And brand Weekly Sales and Stock Report- Details there is another report format.

So i am unable to understand the requirement.

Please guide me how to do this report and please explain summary and details report.

PFA