Hesitate is a synonym of Pause. Pause is related to Stop. Stop is related to Movement. Movement is related to Sound. 
Issue is related to Discussion. Detail is a type of Discussion. Highlight is a type of Detail. 
Hesitate <--Synonym--> Pause <--RelatedTo--> Stop <--RelatedTo--> Movement <--RelatedTo--> Sound 
Issue <--RelatedTo--> Discussion <--IsA-- Detail <--IsA-- Highlight 