A subset term identifies a set of members of a larger class. Common subset terms are including, such as, and among.

• Don't use redundant subset terms (so avoid constructions like these: Among the most well-known members of the fraternity are included two members of the Onassis family; The elements in stars include hydrogen, helium and iron, etc.).
• Don't use including to introduce a complete list, where comprising, consisting of, or composed of would be more accurate.