👉 Widening is a concept in mathematics and computer science that refers to the process of increasing the size or extent of a mathematical object, usually by adding more elements. It can be thought of as extending the domain of a function or operation beyond its current boundaries. Widening can also refer to the expansion of a set, such as the union of two sets. For example, in the context of computer science and programming, widening could mean increasing the size of an array by adding more elements. This