NYT Connections Green Group Hint

We’re going to go out on a limb and say this is a pretty powerful visual clue. Will it get you to the finish line? That’s the catch — you still have to find the right words.
Need the verbal clue, too? At least one of these words is more UK English than US English.
Give up? This was another doozy, so don’t feel too bad…
Today’s green group answer is Assignment and its words are JOB, POSITION, POST, and STATION.