What does Joshua 15:3 mean?

From there, it went south of the Scorpion Pass, crossed into Zin, and continued south of Kadesh-barnea. Then it went on to Hezron, up to Addar, and turned toward Karka. Joshua 15:3 - Modern Text Bible

(The border follows a winding path through several landmarks, marking the southern edge of Judah’s territory.)