(sssetfirst grip-set [pick-set])
Grip these entities.
This function highlights entities in pick-set and places grips around entities in grip-set. (Grips are the small squares that surround a selected entity that you can use to manipulate or modify the entity.)
NOTE Use the ssgetfirst function to create the grip-set and pick-set selection sets.
Tell me about...
(ssdel entity-name selection-set)
(ssget [mode] [point1 [point2]] [point-list] [filter-list])
Programming Overview of LISP (LISt Processing) Language