Session is a synonym of Set. Set is related to Family. Family is a synonym of Order. Order is related to Small. 
Form is a type of Ability. Form is related to List. List is a synonym of Name. 
Session <--Synonym--> Set <--RelatedTo--> Family <--Synonym--> Order <--RelatedTo--> Small 
Ability <--IsA-- Form <--RelatedTo--> List <--Synonym--> Name 