Quick meaning
A feature that displays the name or number of someone calling you before you answer.
Think of it like this
Like seeing a name through a window before opening the front door.
Where you may see this
You may hear this in email apps, messaging apps, video calls, and workplace instructions.
Why it matters
Knowing the term makes it easier to message people correctly and avoid simple communication mistakes.
Say it simply
Caller ID means: A feature that displays the name or number of someone calling you before you answer.