Run is a synonym of Carry. Carry is related to Pick. Pick is related to Pepper. Pepper is related to Companion. 
Tone is a type of Interval. Tone is a synonym of Step. Half is a type of Step. 
Run <--Synonym--> Carry <--RelatedTo--> Pick <--RelatedTo--> Pepper <--RelatedTo--> Companion 
Interval <--IsA-- Tone <--Synonym--> Step <--IsA-- Half 