The supplier is a person or entity that provides goods or services to other customers or companies. A supplier can be a manufacturer, distributor, or even an individual. The work of suppliers depends on meeting market needs by providing appropriate quality and competitive prices

The distributor is an entity or individual that purchases products from suppliers and sells them to other retailers or directly to consumers. Distributors play a crucial role in the supply chain, as they contribute to the effective distribution of goods.

The broker is a person or entity that acts as a link between two parties in a business or financial transaction, such as the seller and the buyer. The broker facilitates transactions and provides the necessary information to both parties to achieve a successful deal

The agent is a person or entity appointed to represent an individual or organization in legal or business transactions. The agent has the authority to make decisions and negotiate on behalf of the principal