Buck is a type of Move. Move is a synonym of Act. Act is related to Eat. 
Sidewalk is a synonym of Platform. you are likely to find Platform in/at/on Arena. Arena is related to Field. Field is related to Horse. 
Buck --IsA--> Move <--Synonym--> Act <--RelatedTo--> Eat 
Sidewalk <--Synonym--> Platform --AtLocation--> Arena <--RelatedTo--> Field <--RelatedTo--> Horse 