In the practice of Tai Chi we say that the mind comes first.
In this context the mind refers to the use of intent. Intent is our desire to do something, in this context, the wish to move in compliance with the principles of Tai Chi.
In Grandmaster Wei Shuren’s Yang style Tai Chi we use the intent to practice the process that he wrote about in his book on the 22 form.
The demo above is a segment from the 22-form showing Cloud Hands, Single Whip, Separate Hands to Kick and Strike Ears with Both Fists.
Grandmaster Wei Shuren is demonstrating this segment from 8:16 to 9:59 in the video below :-
The form does not look impressive nor powerful. However, if you try to do it yourself by copying the movements you will realize that it is a lot more difficult than it seems to constantly issue power in a concealed manner while moving calmly as if pulling silk continuously in a movement efficient way.
For example, in the movement of Single Whip the whip hand itself is issuing power 4 ways before moving into the left palm strike to complete the movement. In practicing the form we define the four movements clearly but we can also perform the movements with barely perceptible outward movements once we have grasped the essence of the movement.
At this stage you would need to be in command of your ability to use intent otherwise you will not be able to reduce the outer movements to the bare minimum required.