A tattoo of an arrow resembles that an arrow must be pulled back before it can be shot forward. In other words, life will pull you back to point you into the right direction before it releases you and you get where you need to be in happiness.
Sagittarius tattoo meaning: an arrow can only be shot forward by being pulled back. So when life is dragging you back with difficulties, it means that it's going to launch you into something great. So just focus, and keep aiming.