# Commands about Basic Blocks [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [Command Groups](Help%20System/GSTARCAD/2027/Commands/00%20Command%20Groups/(Command%20Groups).md) **Commands：** - [ADCENTER (GstarCAD 2026)](../../../2026/Commands/A/ADCENTER.md) - [BASE (GstarCAD 2026)](../../../2026/Commands/B/BASE.md) - [BCLOSE (GstarCAD 2026)](../../../2026/Commands/B/BCLOSE.md) - [BEDIT (GstarCAD 2026)](../../../2026/Commands/B/BEDIT.md) - [BLOCK (GstarCAD 2026)](../../../2026/Commands/B/BLOCK.md) - [COLOR (GstarCAD 2026)](../../../2026/Commands/C/COLOR.md) - [EXPLODE (GstarCAD 2026)](../../../2026/Commands/E/EXPLODE.md) - [EXPORT (GstarCAD 2026)](../../../2026/Commands/E/EXPORT.md) - [INSERT (GstarCAD 2026)](../../../2026/Commands/I/INSERT.md) - [LAYER (GstarCAD 2026)](../../../2026/Commands/L/LAYER.md) - [LINETYPE (GstarCAD 2026)](../../../2026/Commands/L/LINETYPE.md) - [OOPS (GstarCAD 2026)](../../../2026/Commands/O/OOPS.md) - [PASTEBLOCK (GstarCAD 2026)](../../../2026/Commands/P/PASTEBLOCK.md) - [PROPERTIES (GstarCAD 2026)](../../../2026/Commands/P/PROPERTIES.md) - [PURGE (GstarCAD 2026)](../../../2026/Commands/P/PURGE.md) - [TOOLPALETTES (GstarCAD 2026)](../../../2026/Commands/T/TOOLPALETTES.md) - [WBLOCK (GstarCAD 2026)](../../../2026/Commands/W/WBLOCK.md) - [XPLODE (GstarCAD 2026)](../../../2026/Commands/X/XPLODE.md) **System Variables：** - [ATTDIA (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/A/ATTDIA.md) - [BLOCKEDITLOCK (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/B/BLOCKEDITLOCK.md) - [EXPLMODE (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/E/EXPLMODE.md) - [EXTNAMES (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/E/EXTNAMES.md) - [INSNAME (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/I/INSNAME.md) - [INSUNITS (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/I/INSUNITS.md) - [INSUNITSDEFSOURCE (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/I/INSUNITSDEFSOURCE.md) - [INSUNITSDEFTARGET (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/I/INSUNITSDEFTARGET.md) - [MAXSORT (GstarCAD 2026)](Help%20System/GSTARCAD/2026/System%20Variables/M/MAXSORT.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/Commands%20about%20Basic%20Blocks.html) · © Gstarsoft Co., Ltd.