Meaning of the word "Tip of the iceberg" in English

What does "Tip of the iceberg" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

Tip of the iceberg

US /tɪp əv ðə ˈaɪs.bɜːrɡ/
UK /tɪp əv ðə ˈaɪs.bɜːɡ/

Idiom

a small, visible part of a much larger, hidden problem or situation

Example:
The recent layoffs are just the tip of the iceberg; the company is in deep financial trouble.
What we've seen so far is just the tip of the iceberg of his criminal activities.