you are likely to find Track in/at/on Station. Track is related to Field. Field is related to Ground. Ground is related to Reserve. 
Grip is a synonym of Bag. Bag is related to Sock. Sock is related to Inner. 
Station <--AtLocation-- Track <--RelatedTo--> Field <--RelatedTo--> Ground <--RelatedTo--> Reserve 
Grip <--Synonym--> Bag <--RelatedTo--> Sock <--RelatedTo--> Inner 