Here's a breakdown to help you understand:
Fluent:
* Implies a strong grasp of the subject matter. You can easily understand, process, and utilize the knowledge.
* Focuses on practical application. You can readily apply your knowledge in real-world situations.
* May not necessarily represent the highest level of expertise. Someone fluent in a topic might not have the depth of knowledge that an expert possesses.
Excellent:
* Signifies a high level of mastery. This level goes beyond simple understanding and application, indicating a deep and nuanced comprehension.
* Demonstrates a thorough understanding of the subject's complexities. You can analyze, critique, and synthesize information effectively.
* Usually associated with advanced knowledge and expertise. Someone with excellent knowledge may be able to contribute to the field through research, teaching, or other specialized activities.
The takeaway:
* "Fluent" is a good starting point for being able to utilize your knowledge in a practical manner.
* "Excellent" represents a higher level of mastery and is often associated with advanced expertise.
Ultimately, the "better" level depends on your individual goals and the context of the situation.