A "Stack-Based" system refers to a method of organizing and managing data where elements are added and removed in a last-in, first-out (LIFO) manner. This means that the most recently added item is the first one to be removed. Stacks are commonly used in programming and computer science for tasks such as function calls, memory management, and expression evaluation. In a stack, operations are typically performed using two main functions: push to add an item to the top of the stack, and pop to remove the item from the top. Stacks can be implemented using various data structures, including arrays and linked lists, making them versatile for different applications.