Traversal

Traversal is the process of visiting each element in a data structure, such as a list, tree, or graph, in a systematic way. It allows you to access or process every item exactly once, following a specific order (e.g., in a sequence or hierarchy). For example, walking through all the rooms in a house or browsing through each page of a book are familiar forms of traversal. In computing, traversal is essential for tasks like searching, printing, or modifying data efficiently and logically within complex structures.