Broadly speaking there are two types of markets:
The demand for a factor exists because there is a demand for goods that the resource helps to produce. The demand for each factor is thus a derived demand; it is derived from the demand of consumers for products. For example, engineers are needed to design cars. A car manufacturer's demand for engineers thus depends entirely upon the demand for cars. The demand for engineers is a derived demand.
A. consumers buy products from businesses.
Households own resources and make them available for sale to businesses in the resource market. Factors are also referred to as inputs or as resources of production. Products are purchased in the product or output market. Bonds are neither an output nor an input. They are bought and sold in financial markets, also sometimes referred to as capital markets.
A. The market for plumbers and electricians