A "Model Series" refers to a group of related products or items that share a common design or functionality, typically produced by a single manufacturer. This term is often used in industries like automotive, electronics, and fashion, where various models are released under a specific series name, indicating they belong to the same family of products. For example, in the automotive industry, a car manufacturer might release several models under the Toyota Camry series, each with different features or specifications. Similarly, in electronics, a Samsung Galaxy series may include various smartphones that share similar technology and design elements.