# Commands Enhancements [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [User Guide](Help%20System/GSTARCAD/2020/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2020/User%20Guide/Additional%20Pages/(Additional%20Pages).md) ## Commands Enhancements [Line Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Line%20Enhancement.md) [Polyline Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Polyline%20Enhancement.md) [Rectangle Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Rectangle%20Enhancements.md) [Circle Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Circle%20Enhancement.md) [Copy Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Copy%20Enhancement.md) [Rotate Enhancement](Help%20System/GSTARCAD/2020/User%20Guide/Innovative%20Features/Rotate%20Enhancement.md) --- Gstarsoft Co.,Ltd