Quick meaning
An older, smaller USB connector used for charging and data transfer on many Android devices before USB-C became standard.
Think of it like this
Like an older key type that still works but is being phased out for a newer design.
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
Micro-USB means: An older, smaller USB connector used for charging and data transfer on many Android devices before USB-C became standard.