Explore essential concepts of digital media including image formats, screen resolutions, and DPI (dots per inch). This course offers a foundational understanding for online education learners, web designers, and content creators to optimize images for websites and digital platforms. Learn how to choose the right graphics formats and resolutions for high-quality visuals and better user experience. Perfect for beginners seeking practical knowledge in web design, digital marketing, and multimedia production to enhance their skills in the fast-growing online learning industry.