👉 In the context of computer science, "ergal" is a term used to describe a data structure that can be represented as a tree. It represents a set of elements with keys and values, where each element's value may change over time. The key in an ergal is unique, and its value depends on which elements are present at the root node. For example, consider a binary search tree (BST) with 5 nodes: 10, 9, 8,