# Common Editing Operation [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) ## Common Editing Operation GstarCAD 2018 deeply optimizes some most commonly used functions such as "CLIP", "PASTE", "MOVE", "ORBIT" and so on. It has a more fluent process of solid selection in common editing operation. You can have a more perfect experience. ![Missing source image: pic/Common%20File%20Operation%202.jpg](Help%20System/GSTARCAD/2021/assets/missing-source-image.svg) Note: Percentage: GCAD2018 / ACAD®2018 Comparison of drawings: three levels of drawings in 10M / 50M / 100M --- Gstarsoft Co.,Ltd