# System variable with X letter [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [System Variables](Help%20System/GSTARCAD/2021/System%20Variables/(System%20Variables).md) → [X](Help%20System/GSTARCAD/2021/System%20Variables/X/(X).md) - [XCLIPFRAME](Help%20System/GSTARCAD/2021/System%20Variables/X/XCLIPFRAME%20System%20Variable--439a29ae4175.md "XCLIPFRAME") - [XDWGFADECTL](Help%20System/GSTARCAD/2021/System%20Variables/X/XDWGFADECTL%20System%20Variable--47a517aec8de.md "XDWGFADECTL") - [XEDIT](Help%20System/GSTARCAD/2021/System%20Variables/X/XEDIT%20System%20Variable--c6bca582164b.md "XEDIT") - [XFADECTL](Help%20System/GSTARCAD/2021/System%20Variables/X/XFADECTL%20System%20Variable--02210a7a8f31.md "XFADECTL") - [XLOADCTL](Help%20System/GSTARCAD/2021/System%20Variables/X/XLOADCTL%20System%20Variable--c8bab2a476e3.md "XLOADCTL") - [XLOADPATH](Help%20System/GSTARCAD/2021/System%20Variables/X/XLOADPATH%20System%20Variable--ec689db09c5e.md "XLOADPATH") - [XNOTIFYTIME](Help%20System/GSTARCAD/2021/System%20Variables/X/XNOTIFYTIME%20System%20Variable--3c1402294d15.md "XREFNOTIFY") - [XREFCTL](Help%20System/GSTARCAD/2021/System%20Variables/X/XREFCTL%20System%20Variable--ade92216d307.md "XREFCTL") - [XREFNOTIFY](Help%20System/GSTARCAD/2021/System%20Variables/X/XREFNOTIFY%20System%20Variable--937bc37af056.md "XREFNOTIFY") - [XREFTYPE](Help%20System/GSTARCAD/2021/System%20Variables/X/XREFTYPE%20System%20Variable--b2e107d1f116.md "XREFTYPE") ---