Quick meaning
The number of times a piece of content was displayed on someone's screen, whether or not they engaged with it.
Think of it like this
Like counting how many people walked past a billboard, regardless of whether they stopped to read it.
Where you may see this
You may see this on Facebook, Instagram, TikTok, WhatsApp groups, and other social apps.
Why it matters
Understanding the term helps you use social platforms more comfortably and spot risky or misleading behaviour.
Say it simply
Impressions means: The number of times a piece of content was displayed on someone's screen, whether or not they engaged with it.