Quick meaning
A small removable card that provides extra storage for cameras, phones, and other devices.
Think of it like this
Like a portable filing card slot you can move between devices.
Where you may see this
You may hear this when buying a device, asking for repairs, or checking phone and computer settings.
Why it matters
Understanding the hardware term helps you choose the right device and explain problems more clearly when asking for help.
Say it simply
SD Card (Memory Card) means: A small removable card that provides extra storage for cameras, phones, and other devices.