অর্থ : Being precise with regard to a prescribed or specified criterion.
							উদাহরণ : 
							His guess was on the nose.
							The prediction for snow was right on the button.
							
সমার্থক : on the nose
অর্থ : Just as it should be.
							উদাহরণ : 
							`Precisely, my lord,' he said.
							
সমার্থক : exactly, on the dot, on the nose, precisely
On the button meaning in Telugu.