Sambandha, abhidheya, prayojana and adhikarī of the Śrīmad-Bhāgavatam

A book should begin by explaining the following four topics: Sambandha: the relation (sambandha) of the book (vācaka) with its main subject (vācya). Abhidheya: the means of attainment propounded in the book. Prayojana: the completion state or end state brought about by the means stated in point 2. […]