Digital is related to Clock. Clock is related to Accuracy. Accuracy is a type of Quality. 
Cold is a type of Temperature. Cold is related to Description. Description is related to Recent. Recent is a synonym of Last. 
Digital <--RelatedTo--> Clock <--RelatedTo--> Accuracy --IsA--> Quality 
Temperature <--IsA-- Cold <--RelatedTo--> Description <--RelatedTo--> Recent <--Synonym--> Last 