The term 'Boom Times' refers to a period of economic growth and prosperity. The crossword solutions for this term are UPS (3 letters) and HIGHS (5 letters). UPS stands for United Parcel Service, which is a global package delivery company. HIGHS stands for high points, which are the highest points in a graph or chart that indicate a peak in economic activity. Both UPS and HIGHS are indicative of the economic growth and prosperity associated with Boom Times.