In general, operators describes how filter conditions are linked together. The following operators can be used.
All filters placed below must be true. Only then AND returns true.
Even if one of the filter placed below OR is true, OR returns true.
Only one Filter can be placed below NOT operator, and if the filter evaluation is true, NOT returns false.
Only one of the two filters are possible in the XOR Operator.
Useful for debugging, just returns TRUE.
Useful for debugging as well, returns FALSE.