Object types

	Source	Guideline or reader as a professional framework
	Instrument	Standardised assessment instrument
	Knowledge	Knowledge module or sub-module
	Case Study	Clinical case (diagnosis or treatment)
	Skill future	Communicative or clinical technique

Relation types

	Relation	Character	Meaning
	Nexus	Structural / Anchor	X belongs to Y — points up to the framework
	Contextus	Associative / Illuminating	Knowledge gives meaning to instrument, skill or case
	Usus future	Functional / Action	Source prescribes — case applies
	Sequens future	Narrative / Sequence	Case diagnosis leads to case treatment

Directions

From	To	Relation
Source	Instrument	usus
Source	Knowledge	usus
Source	Skill	usus
Knowledge	Instrument	contextus
Knowledge	Skill	contextus
Knowledge	Case Study	contextus
Knowledge	Source	nexus
Knowledge	Knowledge	nexus
Instrument	Knowledge	nexus
Instrument	Source	nexus
Skill	Knowledge	nexus
Skill	Source	nexus
Case Study	Source	nexus
Case Study	Knowledge	nexus
Case Study	Instrument	usus
Case Study	Skill	usus
Case diagnosis	Case treatment	sequens