The term demand refers to the quantity of goods or services that are requested or desired in a certain market of an economy at a specific price. Offer, refers to the amount of goods, products or services that are offered in a market under certain conditions.
the offer and the demand
noun
the amount of goods and services that are available for people to buy compared to the amount of goods and services that people want to buy If less of a product than the public wants is produced, the law of supply and demand says that more can be charged for the product.
Example: The most affordable definition that I know of the offer is the amount of good or service that the seller puts up for sale. This good or service can be bicycles, hours of driving lessons, candy or anything else that comes to mind. Demand is the quantity of a good or service that people want to purchase.