существо договора(The definitions form part of the substance of the contract since they prescribe that certain words and phrases shall mean certain things. LE2 Alexander Demidov)
предмет сделки(Here in the United States, I expect a robust debate. We'll keep Congress and the American people fully briefed on the substance of the deal. | This legal work is concerned less with the substance of the deal than with its underlying structure. Alexander Demidov)