A.01 Languages
BPMN: http://www.omg.org/spec/BPMN/2.0
CMMN: http://www.omg.org/spec/CMMN/1.1
DMN: https://www.omg.org/spec/DMN
PMML
CQL
A.02 Training for BPMN, CMMN and DMN
Bruce Silver at www.methodandstyle.com has authored multiple books for BPMN, DMN and CMN. On-line training with certification is also available.
A.03 FEEL (Friendly Enough Expression Language)
FEEL (Friendly Enough Expression Language) is the programming language used within BPMN, CMMN and DMN.
https://www.trisotech.com/infographics/feel-poster
https://www.trisotech.com/infographics/feel-functions
A.04 FHIR
HL7 FHIR http://hl7.org/fhir