Floor is part of Exchange. Floor is a different concept from Ceiling. Ceiling is a synonym of Cap. Cap is a synonym of Lid. 
Summary is related to Report. Report is related to Office. Office is related to Secretary. 
Exchange <--PartOf-- Floor <--DistinctFrom--> Ceiling <--Synonym--> Cap <--Synonym--> Lid 
Summary <--RelatedTo--> Report <--RelatedTo--> Office <--RelatedTo--> Secretary 