As a finance professional, it is crucial to understand the concept of initial investment, which refers to the initial amount of money invested by a client in a financial instrument. This amount serves as the foundation of any investment and determines the potential return. Essentially, it is the starting point for any financial decision and must be carefully considered and evaluated. It is important to note that the initial investment may vary depending on the type of financial instrument, such as stocks, bonds, or real estate. Therefore, as a knowledgeable professor, it is essential to have a thorough understanding of this term to guide clients towards making informed and successful investment decisions.