What do the the curtains blowing in the wind represent in the David’s The Oath of the Tennis Court?

What do the the curtains blowing in the wind represent in the David’s The Oath of the Tennis Court?

What do the the curtains blowing in the wind represent in the David’s The Oath of the Tennis Court?
What do the the curtains blowing in the wind represent in the David’s The Oath of the Tennis Court?