In AutoCAD , (Compiled Shape Files) serve two primary purposes: as text fonts or as symbol fonts for linetypes. Unlike standard TrueType fonts (TTF) used by Windows, SHX files are vector-based and specifically optimized for CAD performance.
In AutoCAD, shape files come in two forms: aeccland.shx
After digging around, here is what I found: In AutoCAD , (Compiled Shape Files) serve two