# Create and Modify Objects [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [User Guide](Help%20System/GSTARCAD/2020/User%20Guide/(User%20Guide).md) [Control the Properties of Objects](Help%20System/GSTARCAD/2020/User%20Guide/Create%20and%20Modify%20Objects/Control%20the%20Properties%20of%20Objects.md "控制对象的特性") To organize objects in your drawing and control how they are displayed and plotted, you can change their properties including layer, linetype, color, lineweight and plot style. [Use Precision Tools](Help%20System/GSTARCAD/2020/User%20Guide/Create%20and%20Modify%20Objects/Use%20Precision%20Tools.md "使用精度工具") With the help of a variety of precision drawing tools, you can produce accurate drawings quickly without tedious calculations. [Draw Objects](Help%20System/GSTARCAD/2020/User%20Guide/Create%20and%20Modify%20Objects/Draw%20Geometric%20Objects.md "绘制几何对象") Drawings consist of various objects. You can draw objects using the pointing device to specify points or you can enter coordinate values into the command prompt. [Create and Use Blocks](Help%20System/GSTARCAD/2020/User%20Guide/Create%20and%20Modify%20Objects/Create%20and%20Use%20Blocks.md "创建和使用块（符号）") A block is one or more objects combined to create a single object. You can reuse blocks in the same drawing or in other drawings. [Change Existing Objects](Help%20System/GSTARCAD/2020/User%20Guide/Create%20and%20Modify%20Objects/Change%20Existing%20Objects.md "修改现有对象") After you selected objects, you can view and edit their properties, and perform general and object-specific editing operations. [Hide and Isolate Objects](Help%20System/GSTARCAD/2020/User%20Guide/Additional%20Pages/Hide%20and%20Isolate%20Objects.md) Objects can be hide or isolate to simplify the drawing for editing. [Draw Table](Help%20System/GSTARCAD/2020/User%20Guide/Express%20tool/Table%20Tools/Draw%20Table.md) It is possible to create and modify table as well as to define the format of table. It is possible to export the table to CVS file and open it on Microsoft Excel. --- ## Other versions with matching text [GstarCAD 2018](Help%20System/GSTARCAD/2018/User%20Guide/Create%20and%20Modify%20Objects.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/User%20Guide/Create%20and%20Modify%20Objects.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/User%20Guide/Create%20and%20Modify%20Objects.md)