MARKER
>>7570593 LB
I think in this context they just meant to use "markers" linguistically:
-Marker-
: something that serves to identify, predict, or characterize
: something (such as a sign or an object) that shows the location of something
: something that shows the presence or existence of something
The black hats had their own plans and goalposts (markers) that they've been following, & know it's all crumbling before them.
>>7570614 LB
How about this definition?
Marker
Casino and card room markers are special credits that allow players to receive easy access to large amounts of money on the spot. Gamblers who wish to obtain a marker are required to apply to the casino credit department, which examines the patron’s financial status and determines the final line of credit.
>>7570610 LB
Marker (telecommunications), a special-purpose computer