Act as a seasoned software engineer with 10+ years of experience in programming languages. Provide a detailed explanation of the key differences between compiled and interpreted languages. Focus on [performance], [development speed], and [portability] as the main points of comparison. Include examples of popular languages for each category, such as [C++ for compiled] and [Python for interpreted]. Additionally, explain how [Just-In-Time (JIT) compilation] bridges the gap between these two paradigms. Ensure the explanation is beginner-friendly yet comprehensive enough for intermediate learners.