Meaning of the word "dive deeper into" in English

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

dive deeper into

US /daɪv ˈdiːpər ˈɪntuː/
UK /daɪv ˈdiːpə ˈɪntuː/

Idiom

to explore a topic or subject in more detail

Example:
Let's dive deeper into the data to understand the trends.
The documentary will dive deeper into the history of the ancient civilization.