This really depends on the CRM. But in general, each CRM provides some standardized reports and report templates. Starting with those and making changes – like adding some of your custom fields, is usually the best and easiest way to get the kind of report you need.
Ok, they say there are no dumb questions, but this might be an exception to that. Reports are a critical part of your business – reports will tell you the status of your pipeline, the activities of your team and what is happening with the relationships with your clients and prospects.