Act as a senior React developer with 5+ years of experience, specializing in component architecture and state management. Provide a detailed explanation of the differences between state and props in React, tailored for a [beginner/intermediate/advanced] audience. Include [real-world examples] to illustrate how state is managed within a component and how props are passed between components. Explain when to use state versus props, and discuss the implications of [lifting state up] in a React application. Ensure your explanation is clear, concise, and includes [code snippets] to reinforce the concepts. Address common pitfalls and best practices for managing state and props effectively.