Flat is a synonym of Uniform. Uniform is related to Type. Type is related to Pastor. Pastor is related to Priest. 
you are likely to find Clock in/at/on Shelf. Clock is related to Display. Screening is a type of Display. 
Flat <--Synonym--> Uniform <--RelatedTo--> Type <--RelatedTo--> Pastor <--RelatedTo--> Priest 
Shelf <--AtLocation-- Clock <--RelatedTo--> Display <--IsA-- Screening 