Use either the Survey Toolspace or the Survey Command Window Display All command to view a list of all the existing figure names in a current drawing.
DISPLAY FIGS
The following is an example of a typical list generated by the Display Figures command:
Figure:
PL
Alder
Drive
Drive 2
Wall
DISPLAY FIGURES
Command Synonyms
DISP FIGS
LIST FIGS
DSP FIGS