This section explains how to interpret the symbols that represent prescribed conditions.
When you apply prescribed conditions to a region, you can choose to display symbols in the viewport that indicate the following:
The regions to which you applied the prescribed condition.
The type of the prescribed condition.
If applicable, the degrees of freedom to which you applied the prescribed condition.
If applicable, the direction (negative or positive) in which you applied the prescribed condition.
If applicable, the spatial variation of the prescribed condition.
For information about controlling the visibility of these symbols, see Controlling the display of attributes.
Understanding prescribed condition symbol type, color, and size What do single-headed and double-headed arrows represent? Understanding symbol location and direction