grphcl sr ntrfc, r G, s frm f sr ntrfc tht llws srs t ntrct wth lctrnc dvcs thrgh grphcl cns nd vsl ndctrs sch s scndry nttn. n mny pplctns, Gs r sd nstd f txt-bsd s, whch r bsd n typd cmmnd lbls r txt nvgtn. Gs wr ntrdcd n rctn t th prcvd stp lrnng crv f cmmnd-ln ntrfcs (CLs), whch rqr cmmnds t b typd n cmptr kybrd.
Th ctns n G r slly prfrmd thrgh drct mnpltn f th grphcl lmnts. Bynd cmptrs, Gs r sd n mny hndhld mbl dvcs sch s MP3 plyrs, prtbl md plyrs, gmng dvcs, smrtphns nd smllr hshld, ffc nd ndstrl cntrls. Th trm G tnds nt t b ppld t thr lwr-dsply rsltn typs f ntrfcs, sch s vd gms (whr hd-p dsplys (HDs) r prfrrd), r nt ncldng flt scrns lk vlmtrc dsplys bcs th trm s rstrctd t th scp f 2D dsply scrns bl t dscrb gnrc nfrmtn, n th trdtn f th cmptr scnc rsrch t th Xrx Pl lt Rsrch Cntr.