The "Either...Or" structure is a grammatical construction used to present two alternatives or choices. It helps clarify options in a sentence, indicating that one must choose between them. For example, you might say, "You can either go to the movies or stay home." This structure is commonly used in decision-making contexts, allowing for clear communication. It can also be applied in various scenarios, such as in business proposals or academic discussions, where contrasting options need to be presented succinctly. Overall, "Either...Or" simplifies complex choices into manageable alternatives.