Usual is a synonym of Normal. Normal is similar to Natural. Natural is related to Plain. 
Entertainment is related to Bar. you are likely to find Bar in/at/on Club. Club is related to Naked. Naked is a different concept from Secure. 
Usual <--Synonym--> Normal <--SimilarTo--> Natural <--RelatedTo--> Plain 
Entertainment <--RelatedTo--> Bar --AtLocation--> Club <--RelatedTo--> Naked <--DistinctFrom--> Secure 