Respond to the following required content in a minimum of 175 words:
- Another important property of a binary search tree is being able to easily find the maximum and minimum key in the tree. Thoroughly discuss the simple rule to identifying these keys.
- Define the three tree traversal processes (i.e., pre-order, in-order, and post order).
- Provide an example of one tree traversal process, ideally utilizing a visual image along with an explanation.