For the land divided into the units described above, the horizontal row of ri was called 'jo' and the vertical row of ri was called 'ri,' and from the base point that was arbitrary set, each section could be clearly indicated such as ichi-jo, ni-jo, and san-jo (first jo, second jo, and third jo) vertically and ichi-ri, ni-ri, and san-ri (first ri, second ri, and third ri) horizontally.
上述の単位に区画された土地において、里の横列を「条（じょう）」、里の縦列を「里（り）」とし、任意に設定された基点から、縦方向には一条、二条、三条と、横方向には一里、二里、三里というように、明快な位置表示が可能となっていた。