A "U-Shape" refers to a specific geometric form that resembles the letter "U." This shape is characterized by two parallel sides that curve downward and then upward, creating a valley-like appearance. It is commonly seen in various contexts, such as in graphs, architecture, and design. In statistics, a U-Shape can describe certain relationships between variables, where the outcome is low at both extremes and higher in the middle. This pattern can be observed in studies related to income and happiness, where individuals with very low or very high income levels report lower happiness compared to those in the middle range.