অর্থ : A hypothetical description of a complex entity or process.
							উদাহরণ : 
							The computer program was based on a model of the circulatory and respiratory systems.
							
সমার্থক : model, theoretical account
অর্থ : The underlying structure.
							উদাহরণ : 
							Providing a factual framework for future research.
							It is part of the fabric of society.
							
সমার্থক : fabric
অর্থ : A structure supporting or containing something.
সমার্থক : frame