How do you create voltage?

How exactly does one go about creating voltage? Is it a complex process that requires advanced knowledge of physics and electrical engineering? Or can it be done with relatively simple tools and materials? Are there different methods for creating voltage, and if so, what are they? Additionally, what factors influence the amount of voltage that can be generated, and how can these factors be manipulated to produce the desired level of voltage? Understanding the basics of voltage creation is crucial for anyone working in the field of electronics or related industries, so it's important to have a clear and concise answer to this question.