Pedro is an application that produces data entry forms for a data model that is specified in a particular style of XML Schema. If you're only going to do data entry with the tool, don't worry about schemas because you should never have to see one. The lessons below are designed for people who will only be doing data entry with the tool.
Pedro was originally developed for the proteomics community and we ship their data model for those scientists to use. To Pedro however, the data model could be about proteomics, botany, chemistry, or about your favourite bird calls or comic books! This tutorial however uses a mock data model for patient medical records. Why talk about medical records if the application was originally targetting another field? We intentionally used a different tutorial model for the following reasons: