"Indexed" refers to the process of organizing information in a way that makes it easy to find and retrieve. This is commonly used in databases, libraries, and search engines, where data is categorized and stored with specific keywords or identifiers. For example, a book's index lists topics and their corresponding page numbers, helping readers locate information quickly. In the context of finance, "indexed" can describe investments that track a specific market index, such as the S&P 500. These investments aim to replicate the performance of the index, providing investors with a diversified portfolio that reflects the overall market trends.