Demark arrow please explain

Could soneone please explain the Demark arrow what it is for
and how it relates to the fractals

Never heard of DeMark arrow and I have followed his work for 10 years.

Here is the arrow photo and indicator
The other is a red star or something
the star and arrow are at the far right

I think it might be marking what he refers to as TD Double Retracement when a wide range bar that has gone up through 2 retracements zones (in this case 3) measuring from Dec 1st high to Dec 18th low. One would then expect a decline which is what happened starting on the following day Dec 20th although it did go up about 50 pips before declining for the past 3 days. This retracement equals 61.8% so maybe it will now bounce?

End of year can be tricky though.