Streamlined shapes are designs that reduce resistance and drag when moving through a fluid, such as air or water. These shapes are often found in nature, like the bodies of fish or birds, which have evolved to move efficiently. In engineering, streamlined shapes are used in vehicles, aircraft, and boats to enhance performance and fuel efficiency. The concept of streamlined shapes is crucial in various fields, including aerodynamics and hydrodynamics. By minimizing turbulence, these shapes allow for smoother movement, which can lead to faster speeds and lower energy consumption. Designers and engineers study these principles to create more effective and sustainable products.