Many people are confused with downlights and spotlights. They could not tell the difference between the two types of lights, let alone the lights' application and lighting effect.
Downlight VS Spotlight
Simply speaking, downlights, used for general or auxiliary lighting, have more concentrated lighting source than ordinary ones. Spotlights can emit a highly-converged spot light. It is used for special illumination, such as highlight a place or object with bright spot light.