The choice between AVL and red-black trees often depends on the _______ characteristics of the application and the _______ of the operations being performed.

The choice between AVL and red-black trees often depends on the functional characteristics of the application and the frequency of the operations being performed. AVL trees tend to have a more balanced structure, suitable for scenarios where search operations are frequent, while red-black trees might be preferred for scenarios with more frequent insertion and deletion operations.