# Commands Enhancements [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [User Guide](Help%20System/GSTARCAD/2021/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2021/User%20Guide/Additional%20Pages/(Additional%20Pages).md) ### Commands Enhancements [Line Enhancement](Line%20Enhancement--6b4d66952caf.md) [Polyline Enhancement](Polyline%20Enhancement--126bbb13f4f2.md) [Rectangle Enhancement](Rectangle%20Enhancements--ef56b714fee5.md) [Circle Enhancement](Circle%20Enhancement--a5bf9fc4e5cd.md) [Copy Enhancement](Copy%20Enhancement--70f8e1c543d7.md) [Rotate Enhancement](Rotate%20Enhancement--c001aed7ba50.md) --- Gstarsoft Co.,Ltd