What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Ypbpr, Rca, Hdmi, Srgb, Vga, Rgb and Cmyk

There are different terms and notations are used in electronics. They are difficult to understand for unknown persons. The abbreviations like Ypbpr, Rca, Hdmi, Srgb, Vga, Rgb and Cmyk are not easy to understand as well as differentiate.