Trade unions, also known as labor unions or guilds, are organizations that represent workers in negotiations with employers. They are formed to protect the rights of workers and ensure fair wages and working conditions. Trade unions are typically composed of members from a particular industry or profession, and they work to improve the wages, benefits, and working conditions of their members. Guilds are a type of trade union that is specific to a certain craft or profession, such as carpenters, plumbers, or electricians. Guilds are usually organized around a particular craft or profession, and they work to ensure that members receive fair wages and working conditions.