四分律行事鈔資持記 1.254

1.254

次科，初約無人顯體。若下，約有人明集。準此六十三步，須以二名表異彼此；此名隨分自然，彼名異界自然，據下亦號限分深防。

The next section: first clarifying the essence in terms of having no people. From "if" onwards, clarifying the assembly in terms of having people. According to these sixty-three paces, two names must be used to distinguish this from that: this is called the natural [boundary] of one's own share, that is called the natural [boundary] of another boundary; based on what follows, it is also designated the deep protection of the delimitation.