Coding, also known as programming, is the process of writing commands and algorithms that computers can understand and execute. It forms the backbone of all modern technology, from mobile apps and websites to advanced AI systems and robotics. By learning to code, you gain the ability to create software, solve complex problems, and automate tasks. There are many programming languages, each suited for different purposes. For example, Python is popular for beginners and AI development, Java is widely used for enterprise applications, C++ powers game engines and high-performance software, while JavaScript runs the interactive features of websites.