Communication systems are the methods and technologies that allow people to share information with one another. These systems can be as simple as a face-to-face conversation or as complex as the internet. They involve various components, such as transmitters, receivers, and channels, which work together to send and receive messages effectively. In today's world, communication systems play a crucial role in our daily lives. They enable us to connect with others through phones, emails, and social media. By using these systems, we can share ideas, express emotions, and stay informed about what’s happening around us, making communication faster and more efficient than ever before.