This is the 926th most frequent Danish word.
oplyse
To inform or enlighten.
Here 'oplyse' is used to mean 'inform' or 'provide information' to someone.
Kan du oplyse mig om vejen til biblioteket?
Can you inform me about the way to the library?
In this case, 'oplyse' is used to mean 'enlighten' or 'educate' on a topic.
Formålet med denne brochure er at oplyse om miljøproblemer.
The purpose of this brochure is to enlighten/provide information about environmental issues.
Here 'oplyse' is used in the context of 'illuminate' or 'light up' a physical space.