sale
act of selling / discount period / volume of goods sold
[C/U] Both
pl: sales
This word carries a strong commercial energy, shifting between the act of transaction and the incentive of a discount. When used in a retail context, it triggers a psychological sense of urgency and opportunity, suggesting that a product is temporarily more accessible than usual.
Countable when referring to a specific event or a discounted period like a clearance sale. Uncountable when referring to the total amount of revenue or the general activity of selling.