Modern design teams are frequently scattered across different continents. A firm based in New York may collaborate with a production team in Tokyo and a structural engineer in Berlin. Language packs allow a single CAD manager to install one base version of AutoCAD 2016 across the entire enterprise, then apply specific language packs to local workstations. Everyone views the identical software architecture, just in their preferred language. Technical Performance: Base Installation vs. Language Packs
Here’s a helpful, clear write-up about AutoCAD 2016 language packs, covering what they are, why you need them, and how to use them correctly. autocad 2016 language packs better