* Electromagnetic Spectrum: Light, including red light, is part of the electromagnetic spectrum. This spectrum spans a wide range of wavelengths and frequencies.

* Gamma Rays: Gamma rays are at the highest energy end of the electromagnetic spectrum. They have very short wavelengths and extremely high frequencies.

* Visible Light: Red light is part of the visible light portion of the spectrum. This portion is characterized by wavelengths that the human eye can detect.

* Wavelength Comparison: Gamma rays have wavelengths on the order of picometers (10^-12 meters), while red light has wavelengths on the order of nanometers (10^-9 meters). This means red light has a much longer wavelength than gamma rays.

In summary: Red light and gamma rays are vastly different types of electromagnetic radiation, with red light being much lower in energy and having a significantly longer wavelength.