Quick meaning
A device or app that digitises physical documents into digital image or PDF files.
Think of it like this
Like a photocopier that saves the copy to your phone instead of printing it.
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
Document Scanner means: A device or app that digitises physical documents into digital image or PDF files.