Innovation refers to the process of introducing new ideas, products, services, or methods that significantly improve or replace existing ones. It involves creativity and the application of knowledge to develop solutions that meet evolving needs or challenges. Innovation can occur in various fields, including technology, business, education, and healthcare, and can take many forms, such as incremental improvements, disruptive changes, or radical breakthroughs. The goal of innovation is to enhance efficiency, effectiveness, and value, driving progress and competitiveness in the marketplace or society at large.