Restriction is a synonym of Limitation. Limitation is a synonym of Limit. Limit is related to Tolerance. 
Work is related to Test. Test is related to Set. Receiver is a type of Set. 
Restriction <--Synonym--> Limitation <--Synonym--> Limit <--RelatedTo--> Tolerance 
Work <--RelatedTo--> Test <--RelatedTo--> Set <--IsA-- Receiver 