The Committee on the Rights of the Child (CRC) may receive and consider individual communications alleging violations of the Convention on the Rights of the Child and its Protocols (OPSC, OPAC) by States parties to the Optional Protocol (on a communications procedure) to the Convention on the Rights of the Child.
White light, for example, is a form of radiant energy, and its frequency forms a tiny bit of the entire electromagnetic spectrum. In the illustration above, you will see the different radiant energy levels represented by their wavelengths.
Light is a form of energy, not matter. Matter is made up of atoms. Light is actually electromagnetic radiation. Moving electric charge or moving electrons (electric current) cause a magnetic field, and a changing magnetic field creates an electric current or electric field.