"Stack" (Morris)

In computer science, a "Stack" is a collection of elements that follows the Last In, First Out (LIFO) principle. Think of it like a stack of plates: you add new plates on top (push) and remove from the top (pop). This structure is used to keep track of tasks, data, or function calls, ensuring the most recent item is accessed first. It’s fundamental for managing processes like function execution, undo features, and expression evaluation in programming. Morris's concept emphasizes its role as a simple yet powerful way to organize and control data flow in computing systems.