What is the general basics for creating a report?

Reports types

There are different types of reports:

• Network scanning report
• Web application scanning report
• Remediation report (reports for tickets related to vulnerabilities)
• Patch report
• Compliance Report

Report sources

There’s also different sources for reports, that you can read more about here:
http://support.holmsecurity.com/hc/en-us/articles/213603265

The overall steps to setup a report

A report is created through a few steps.

1. Creating a template.
2. Schedule the report based on the template and select targets for the report.
3. The schedule is run once or recurring and a report is created each time.

Or a report can be created in vulnerability manager by selecting assets, you can read more here: 
How do I create a report in vulnerability manager?