Quick meaning
An error or flaw in software that causes it to behave unexpectedly or incorrectly.
Think of it like this
Like a typo in a recipe that causes a dish to come out wrong.
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
Bug means: An error or flaw in software that causes it to behave unexpectedly or incorrectly.