Quick meaning
A number that identifies which release of an app or software you have installed, such as version 14.2.1.
Think of it like this
Like an edition number on a book — higher means newer.
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
Version Number means: A number that identifies which release of an app or software you have installed, such as version 14.2.1.