This is the 4856th most frequent Korean word.
광범한
Extensive; widespread.
In this sentence, '광범한' conveys that the company is active across multiple, diverse fields.
회사는 광범한 분야에서 활동하고 있습니다.
The company operates in a wide range of fields.
The use of '광범한' here points to the investigation needing to cover a broad scope or be thorough in its breadth.
광범한 조사가 필요합니다.
A comprehensive investigation is needed.
Here, '광범한' describes the extent of his knowledge as being extensive or wide-ranging.