Trade involves the transfer of goods or services from one person or entity to another, often in exchange for money. A network that allows trade imarket.The original form of trade, barter, saw the direct exchange of goods and services for other goods and services.Barter Trade involves the transfer of goods or services from one person or entity to another, often in exchange for money. A network that allows trade imarket.The original form of trade, barter, saw the direct exchange of goods and services for other goods and services.Barter