Understand is etymologically related to Stand. Click can cause/lead to Understand. 
Lake is related to Camp. Camp is related to Bag. you are likely to find Bag in/at/on Supermarket. 
Stand <--EtymologicallyRelatedTo-- Understand <--Causes-- Click 
Lake <--RelatedTo--> Camp <--RelatedTo--> Bag --AtLocation--> Supermarket 