"For example, prior to report design, feedback from a mock-up report and additional input were solicited from participants in full-day overview sessions. Subsequently, 10 volunteers from the earlier sessions reviewed prototype reports. After their input was incorporated, revised reports were reviewed by an additional 90 potential users. Members of the TRS Agency User Group will be involved in similar reviews of other reports as they are developed and tested. (See Sample Reports)" http://www.fms.treas.gov/trs/agency.html Can anyone tell me the difference between mock-up, prototype and sample report in this context? Are they used properly in this context? To me, it seems they are the same.