Please help by providing a thorough explanation. Include in citations

1. What do you understand by the term customer retention
2. Discuss the decision making process based on the customers perspective
3. Explain what competition is, why it is necessary and how a company can deal with it
4. What is the role of HRM
5. Which are some of the main factors affecting the marketing environment of a startup business
6. What do you understand by the term market segmentation and what are the advantages of it
7. What is marker research and merging. what are some of the advantages of each
8. Describe Communication theory as used in business
9. Why do businesses need financing?
10. 7. What is audience analysis?