(idiomatic) to make plans

in advance, beforehand, previously, in anticipation

importance, weight / value

important, weighty / valuable

to stand, to place in an upright position / to release something physical but not solid or liquid / (Internet slang) to start (a thread)

a plan, planning, schedule, conception

to plan, to make a plan, to plot, to lay out

追い手, 追手: a chaser, a pursuer

於いて, 於て: at, in (a location or time); on the part of; with regard to, regarding

招いて: inviting, calling someone over / 置いて, 措いて, 擱いて: placing something, setting something in a place; (after another verb in the conjunctive conjugation) doing something ahead of time or in preparation