Mechanism is related to Clock. Clock is related to Instrument. Instrument is a synonym of Measure. Measure is related to Height. 
Zone is related to Bullet. Bullet is related to Wound. Wound is related to Scratch. 
Mechanism <--RelatedTo--> Clock <--RelatedTo--> Instrument <--Synonym--> Measure <--RelatedTo--> Height 
Zone <--RelatedTo--> Bullet <--RelatedTo--> Wound <--RelatedTo--> Scratch 