What is the significance of the variable definitions with the suffix _q for each waypoint in the .script files that are automatically generated from Polyscope programs?

global before_start_p=p[.832950859881, .030411311857, .130019855344, 2.901509905037, -1.203074088250, .000180609925]

global before_start_q=[0.26086219112798853, -2.4259983575329276, -0.7455395884076692, 4.74180266361768, -4.710961036238633, 5.759586531581287]

global starting_point_p=p[.815845454116, .033591521948, .090543554893, -2.902413740585, 1.202279078950, -.000002200738]

global starting_point_q=[0.27489376068115245, -2.288851400414938, -1.0744848251342765, 4.933857428818502, -4.710491959248678, 5.774252414703369]