Quick meaning
A code entered at checkout to receive a discount on your purchase.
Think of it like this
Like a coupon clipped from a flyer applied to your bill.
Where you may see this
You may see this in banking apps, checkout screens, delivery updates, and digital payment instructions.
Why it matters
Knowing the term helps you pay safely, understand what a screen is asking for, and avoid costly mistakes.
Say it simply
Promo Code means: A code entered at checkout to receive a discount on your purchase.