From the YouTube description:
The sister is shedding her superficial layers. Exposing herself to the world. Facilitating her own evolution. She is assassinated at the end only to raise again in her EVOLVED STATE.
"This is also a reference to the John F. Kennedy assassination.
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Erykah falls at the same spot, where JFK was shot, except it's on the sidewalk.
When the camera turns after she's down, you can see the the "X' on the street. That "X" markes where Kennedy was shot in the car.
Reference also goes for the title "Window Seat", the video intro and the "Group think" speculations about the assassination.
THE BLUE LETTERS FORM THE WORD...
Groupthink is a type of thought exhibited by group members who try to minimize conflict and reach consensus without critically testing, analyzing, and evaluating ideas. Individual creativity, uniqueness, and independent thinking are lost in the pursuit of group cohesiveness, as are the advantages of reasonable balance in choice and thought that might normally be obtained by making decisions as a group. During groupthink, members of the group avoid promoting viewpoints outside the comfort zone of consensus thinking. A variety of motives for this may exist such as a desire to avoid being seen as foolish, or a desire to avoid embarrassing or angering other members of the group. Groupthink may cause groups to make hasty, irrational decisions, where individual doubts are set aside, for fear of upsetting the groups balance. The term is frequently used pejoratively, with hindsight.