"Peak of the demand" refers to the highest point or maximum level of customer demand for a product or service. Some synonyms for this term could be "peak demand", "highest demand", "maximal demand", "zenith of demand", or "culmination of demand". Other phrases that could be used to describe the same concept might include "peak sales", "peak period", or "high season". Whatever the term used, it typically signifies a time of increased activity and opportunity for businesses to capitalize on consumer interest and generate revenue. Understanding and responding effectively to the peak of the demand can be essential for success in many industries.