Meaning of the word "branch of knowledge" in English

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

branch of knowledge

US /bræntʃ əv ˈnɑlɪdʒ/
UK /brɑːntʃ əv ˈnɒlɪdʒ/

Phrase

a particular area of learning or study

Example:
Philosophy is a vast branch of knowledge.
Mathematics is an essential branch of knowledge for science and engineering.