Copywriting is the use of words and ideas to promote a person, business, opinion or idea. wikipedia.org

Presentation is the practice of showing and explaining the content of a topic to an audience or learner. wikipedia.org

A consultant is a professional who provides professional or expert advice in a particular area such as management, accountancy, law, or any of many other specialized fields. wikipedia.org

A startup company or startup is a company with a limited operating history. These companies, generally newly created, are in a phase of development and research for markets. wikipedia.org

Management in business and organizations is the function that coordinates the efforts of people to accomplish goals and objectives using available resources efficiently and effectively. Management comprises planning, organizing, staffing, leading or directing, and controlling an organization or initiative to accomplish a goal. wikipedia.org

Business coaching is a type of personal or human resource development. It provides positive support, feedback and advice to an individual or group basis to improve their personal effectiveness in the business setting. wikipedia.org

A business model describes the rationale of how an organization creates, delivers, and captures value (economic, social, or other forms of value). The process of business model construction is part of business strategy. wikipedia.org