Practitioner is related to Lawyer. Lawyer is a type of Human. 
Describe is related to Detail. Highlight is a type of Detail. Highlight is derived from Light. Light is related to Darkness. 
Practitioner <--RelatedTo--> Lawyer --IsA--> Human 
Describe <--RelatedTo--> Detail <--IsA-- Highlight --DerivedFrom--> Light <--RelatedTo--> Darkness 