you are likely to find Radio in/at/on Trunk. you are likely to find Radio in/at/on Home. Home is related to Meaning. Significance is a type of Meaning. 
Timing is related to Minute. Minute is a synonym of Exact. Exact is a synonym of Precise. 
Trunk <--AtLocation-- Radio --AtLocation--> Home <--RelatedTo--> Meaning <--IsA-- Significance 
Timing <--RelatedTo--> Minute <--Synonym--> Exact <--Synonym--> Precise 