Quick meaning
A small software update that fixes a specific bug or security problem.
Think of it like this
Like a plaster on a small wound — it fixes one specific issue without rebuilding the whole system.
Where you may see this
You may see this inside app stores, app settings, software updates, and install instructions.
Why it matters
Knowing the term helps you understand what an app is asking you to do before you tap, install, or change anything.
Say it simply
Patch means: A small software update that fixes a specific bug or security problem.