DWG stands for "Drawing," and it is a file format used primarily for 2D and 3D design data. It is commonly associated with AutoCAD, a software application developed by Autodesk that allows users to create precise drawings and models. The DWG format stores information about the geometry, dimensions, and other attributes of a design, making it essential for architects, engineers, and designers. The DWG format is widely used in various industries, including construction, manufacturing, and graphic design. Its popularity stems from its ability to maintain the integrity of complex drawings while allowing for easy sharing and collaboration among professionals. Many software programs can read and write DWG files, ensuring compatibility across different platforms.