The "4-Day Series" refers to a specific format of events or activities that occur over four consecutive days. This structure is often used in various contexts, such as workshops, conferences, or training sessions, allowing participants to engage deeply with the material presented. Each day typically focuses on different themes or topics, providing a comprehensive learning experience. In the context of sports, the "4-Day Series" can also describe a format for competitions, such as cricket matches, where teams compete over four days. This format allows for a more strategic and extended gameplay, often leading to more exciting and unpredictable outcomes.