Feudalism is a political and social system, not a mode of production.

Hunting and gathering is the oldest mode of production, and it is characterized by the use of simple tools and the production of goods for immediate consumption.

Pastoralism is a mode of production that is characterized by the domestication of animals and the production of goods for trade.

Agriculture is a mode of production that is characterized by the cultivation of crops and the production of goods for trade.

Industrialism is a mode of production that is characterized by the use of machines and the mass production of goods.

Reciprocity is a social norm, not a type of exchange.

Barter is a type of exchange that is characterized by the direct exchange of goods and services without the use of money.

Gift exchange is a type of exchange that is characterized by the giving of gifts without the expectation of anything in return.

Market exchange is a type of exchange that is characterized by the buying and selling of goods and services using money.

Reciprocity is a type of exchange that is characterized by the exchange of goods and services between two or more groups of people.

Technology is not a factor of production, but rather a product of labor.

Land is the natural resources used in the production of goods and services.

Labor is the human effort used in the production of goods and services.

Capital is the physical assets used in the production of goods and services.

Technology is the knowledge and skills used in the production of goods and services.