Infinite Sets. If you continue to study this subject you will find discussions about infinite sets, and the idea of different sizes of infinity. That subject has special names like Aleph-null (how many Natural Numbers), Aleph-one and so on, which are used to measure the sizes of sets.
For decades, glossy paper, the type used in magazines, was made using a white clay called kaolin (named after the Chinese region Kao-Ling where it was mined to produce porcelain).
A white paper is a persuasive document that usually describes problems and how to solve them. The white paper is a crossbreed of a magazine article and a brochure. It takes the objective and educational approach of an article and weaves in persuasive corporate messages typically found in brochures.