Translation process models (2.1.1/402)
Coverage (2.2.1.1.2.1/504)
Readability (2.2.1.1.1.1/172)
Terminology (2.2.1.2.3/175)
Accuracy (2.2.1.2/177)
The property "glass/black box" does not spawn children, but is rather a property which distinguishes certain methods under more than one taxon.