This lesson gives students a clear and practical understanding of the Stack data structure, showing how stacks work, how they are implemented, and where they are used in real systems — using complete C++ examples, not abstract theory. Students learn stacks as both a concept and a working data structure, removing confusion around LIFO behavior, memory limits, and implementation choices. ────────── ⋆⋅☆⋅⋆ ────────── 🧠 What Students Will Actually Master ✨✨ ✏️ What a Stack is and why it exi