What is the action associated with the verb "vend"?

The verb "vend" specifically refers to the action of selling or offering goods for sale. It is often used in contexts such as vending machines, where items are sold to consumers directly. This term emphasizes the transaction aspect of selling, distinguishing it from other actions related to the exchange of goods. Understanding "vend" as synonymous with selling helps in recognizing its usage in both formal and informal settings related to commerce. In contrast, the other choices involve different actions: giving away implies a transfer without expectation of payment; producing refers to creating something; and bartering involves trading goods or services without the use of money. Therefore, the action associated with "vend" aligns precisely with selling, confirming that this is the correct answer.