what is the meaning of static conditions

plzz check the attachment below.

Neha,

Refer to the field help -
Evaluate Static Conditions
If this check box is selected, the static conditions are evaluated and the result of the evaluation shows when you view a business process in a reference model, or project model via the Process Viewer or the Enterprise Modeler Editor.
Note
If you do not make use of static conditions it is better to clear this check box for a better performance.