What does Joshua 12:8 mean?

These lands included the hill country, the lowlands, the desert slopes, the open plains, the mountains of Israel, and the foothills near the coast. The people who lived there were the Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites. Joshua 12:8 - Modern Text Bible

(This verse describes the variety of landscapes and the different groups of people who lived in the conquered territory.)