This is the 676th most frequent German word.
begriff
"Begriff" in English means "concept" or "term."
In this sentence, 'Begriff' is used to mean a 'concept' or 'term' that is abstract and possibly complex.
Der Begriff 'Universum' ist schwer zu definieren.
The term 'universe' is hard to define.
Here, 'Begriff' is used idiomatically to denote an 'idea' or 'understanding' of something.
Ich habe keinen Begriff davon, wie es funktioniert.
I have no idea how it works.
'Begriff' is utilized to mean a 'term' or 'concept', often requiring elucidation or teaching.