The Chariot tells us it is time to take charge of the vehicle. Take the reins and through your willpower drive r the chariot where you want it to go. Do not let others drive your vessel into the rocks.
We can also look at it as a metaphor for choose you focus on what you want to manifest. Through your intent passion and will or focus you manifest from the thought to the material. We are moving into a new earth where that manifestation can happen in an instant you bring the three elements together. Intent or focus plus will and passion gets results now.