Hi @juliedht, from the top of my head here, the vitals widget is just a compact and read-only version of the vitals form. So should you change that form the widget would reflect it.
There are multiple ways to achieve in-app reporting through widgets anyway. As the name hints the Reference Application is the basis for a typical (yet simple) reference use case of OpenMRS. It can be configured and customised to be very different than what it looks on the demo servers.
If your bottom line is that you don’t want to write any custom code, there “should” be ways to start off the Ref App and configure it to your needs. But it goes without saying that it depends on the needs.