維摩經玄疏 2.5

2.5

二、釋通名者，「經」之一字，即是通名也。所以通、別二者，略為三義：一，約教；二，約行；三，約理。

Second, explaining the general title: the single word 'Sūtra' is precisely the general title. Now, the two—general and specific—are briefly treated under three meanings: first, in terms of teaching; second, in terms of practice; third, in terms of principle.