help required to cleared the confusion

hello guyz , i have been reading books and i come across a very good book ,which many of u must have known ,Kill everyone , i have a very small confusion regarding the equilibrium push in charts .. here the position are
marked as Sb,button,cutoff,hijack,3off,4off,5off,6off,7off ..i think author describe table position anticlock wise starting from small bind so 7off would be BB.and respectively .. so if anyone know properly plz help me out