# A Command [GstarCAD 2018](Help%20System/GSTARCAD/2018/Index.md) → [Commands](Help%20System/GSTARCAD/2018/Commands/(Commands).md) → [A](Help%20System/GSTARCAD/2018/Commands/A/(A).md) - [ABOUT](Help%20System/GSTARCAD/2018/Commands/A/ABOUT.md "ABOUT") - [ACISIN](Help%20System/GSTARCAD/2018/Commands/A/ACISIN%20Command.md "ACISIN") - [ACISOUT](Help%20System/GSTARCAD/2018/Commands/A/ACISOUT%20Command.md "ACISOUT") - [ADCCLOSE](Help%20System/GSTARCAD/2018/Commands/A/ADCCLOSE%20Command.md "ADCCLOSE") - [ADCENTER](Help%20System/GSTARCAD/2018/Commands/A/ADCENTER%20Command.md "ADCENTER") - [**ADCNAVIGATE**](Help%20System/GSTARCAD/2018/Commands/A/ADCNAVIGATE%20Command.md "ADCNAVIGATE") - [ALIGN](Help%20System/GSTARCAD/2018/Commands/A/ALIGN%20Command.md "ALIGN") - [APERTURE](Help%20System/GSTARCAD/2018/Commands/A/APERTURE%20Command.md "APERTURE") - [APPLOAD](Help%20System/GSTARCAD/2018/Commands/03%20Dialog%20Boxes/Load%20Application-Dialog%20Box%20(Reference).md "APPLOAD") - [ARC](Help%20System/GSTARCAD/2018/Commands/A/ARC%20Command.md "ARC") - [AREA](Help%20System/GSTARCAD/2018/Commands/A/AREA%20Command.md "AREA") - [ARRAY](Help%20System/GSTARCAD/2018/Commands/A/ARRAYCLASSIC%20Command.md "ARRAY") - [ARX](Help%20System/GSTARCAD/2018/Commands/A/ARX%20Command.md "ARX") - [ATTACH](Help%20System/GSTARCAD/2018/Commands/A/ATTACH%20Command.md "ATTACH") - [ATTDEF](Help%20System/GSTARCAD/2018/Commands/A/ATTDEF%20Command.md "ATTDEF") - [ATTDISP](Help%20System/GSTARCAD/2018/Commands/A/ATTDISP%20Command.md "ATTDISP") - [ATTEDIT](Help%20System/GSTARCAD/2018/Commands/A/ATTEDIT%20Command.md "ATTEDIT") - [ATTEXT](Help%20System/GSTARCAD/2018/Commands/A/ATTEXT%20Command.md "ATTEXT") - [AUDIT](Help%20System/GSTARCAD/2018/Commands/A/AUDIT%20Command.md "AUDIT") ---