Understanding geographical concepts and theories is crucial for demonstrating a comprehensive knowledge in various fields such as geography, urban planning, and environmental studies. To showcase a nuanced understanding of these concepts and theories in your answers, you can employ several strategies:

1. Define key terms and concepts:
- Begin your answer by providing clear definitions of key geographical terms and concepts. This demonstrates your knowledge and sets the foundation for a more detailed explanation.

2. Provide examples:
- Illustrate your understanding of geographical concepts by providing relevant and specific examples. This helps to contextualize the concepts and demonstrates how they apply in real-world situations.

3. Analyze and evaluate:
- Rather than simply regurgitating information, critically analyze and evaluate geographical theories and concepts. Identify their strengths, weaknesses, and limitations. This showcases a deeper understanding of the subject matter.

4. Use case studies:
- Incorporate case studies or empirical evidence to support your arguments. This demonstrates your ability to apply theoretical knowledge to practical scenarios and strengthens your answer.

5. Consider multiple perspectives:
- Acknowledge and discuss different viewpoints or theories related to a particular geographical concept. This shows that you have considered various perspectives and can analyze the subject matter from different angles.

6. Provide historical context:
- Discuss the historical development and evolution of geographical concepts and theories. This helps to demonstrate a comprehensive understanding of the subject and how it has evolved over time.

7. Use diagrams and visual aids:
- Where appropriate, include diagrams, maps, or other visual aids to enhance your answer. These visual representations can help to clarify complex concepts and make your answer more visually appealing.

8. Draw connections between concepts:
- Highlight the interconnectedness of geographical concepts and theories. Discuss how different concepts relate to and influence each other, demonstrating a holistic understanding of the subject matter.

In conclusion, demonstrating a nuanced understanding of geographical concepts and theories requires a combination of clear definitions, examples, critical analysis, case studies, multiple perspectives, historical context, visual aids, and drawing connections between concepts. By employing these strategies, you can showcase your comprehensive knowledge and excel in your answers.