Final answer:
A concrete word is something that can be perceived by the senses. 'Payment' is a concrete word because it refers to the action of giving money.
Step-by-step explanation:
A concrete word is a word that refers to something that can be perceived by the senses, such as touch, taste, smell, sight, or hearing. Concrete words can be experienced directly. Out of the given options, 'payment' is a concrete word because it refers to a specific action or process of giving money. For example, when you go to a store and give cash or use a credit card to complete a transaction, it involves payment.
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