Hatching close hatchingUsing lines to create light and dark areas. and cross-hatching close cross-hatchingUsing lines that cross over each other to create light and dark areas. are techniques used ...

If I want to see where a place is in the world, I just need to look at where the lines cross, and read the numbers. Ah, there he is! Latitude is 32 degrees south, and longitude is 115 degrees east.