This is an equivalent of the string on which the extension is sent, but includes additional markdown (see documentation about markdown. Note that using HTML xhtml can allow for greater precision of display.
API
Project FHIR API
This is the location where you can find your resource using a FHIR client.
Simplifier FHIR API
The global endpoint is where users can search for all resources in Simplifier. Resources have a globally unique guid Id here.