The second Bhāvanā (4) (supportive contemplation) of the Acaurya Mahāvrata (the third great vow of non-stealing);
to get oneself conversant with the area in the avagraha (sojourning place), wherein the ascetics are permitted by the house-owner to move about.
tatra ca anujñāte sīmāparijñānam.
(Sama 25.1.12 Vṛ Pa 43)