what do you mean by tree traversal?

Problem statement: what do you mean by tree traversal?

1. The process of visiting all nodes of a tree is called tree traversal.

• Types of tree traversal?

1. Preorder (DLR) Traversal [D-data, L-left, R-right]
2. Inorder (LDR) Traversal
3. Postorder (LRD) Traversal