1. Start with the basics: Before diving into complex concepts, make sure you have a strong foundation in the fundamental principles of commerce. This includes understanding concepts like supply and demand, market structures, pricing strategies, and business models.

2. Break down complex concepts: When faced with a complex concept, break it down into smaller, more manageable parts. Identify the key components and their relationships to one another. This will help you to better understand the concept as a whole.

3. Use visual aids: Visual aids such as diagrams, charts, and graphs can be incredibly helpful in understanding complex concepts. They can help you to see the relationships and connections between different parts of a concept, making it easier to comprehend.

4. Seek out multiple sources of information: Don't rely solely on one source for your understanding of complex concepts. Read books, articles, and research papers from various authors and perspectives. This will give you a more holistic understanding of the concept and help you to identify any gaps or inconsistencies in your knowledge.

5. Discuss with others: Engage in discussions with classmates, colleagues, or experts in the field. Verbalizing your understanding of a complex concept and hearing others' perspectives can help to solidify your understanding and uncover any areas that need further clarification.

6. Practice application: Apply the complex concepts to real-life scenarios or case studies. This will help you to see how the concepts are used in practice and deepen your understanding of their practical implications.

7. Stay curious and ask questions: Don't be afraid to ask questions when you come across something you don't understand. Curiosity is key to improving your understanding of complex concepts. Seek out answers through further research, discussions, or consulting with experts.

8. Reflect and review: Regularly review and reflect on the complex concepts you have learned. This will help to reinforce your understanding and identify any areas that need further review or clarification.

9. Stay updated: Commerce is a constantly evolving field. Stay updated with the latest trends, research, and developments in the industry. This will help you to understand how complex concepts are evolving and being applied in the real world.

10. Be patient and persistent: Understanding complex concepts takes time and effort. Be patient with yourself and persist in your learning journey. Rome wasn't built in a day, and neither is a deep understanding of complex concepts in commerce.