Quick meaning
The ability to use an app or access content without an internet connection.
Think of it like this
Like reading a book you borrowed from the library — you have it with you even when not connected.
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
Offline Mode means: The ability to use an app or access content without an internet connection.