What does 'Content Caching' mean?

Content caching is a feature that allows software to store frequently accessed content in a designated location, or cache, for faster retrieval. This greatly improves the overall performance of the software by reducing the time it takes to load and display content. When a user requests a specific piece of content, such as a webpage, the software will first check its cache to see if the content is already stored there. If it is, the content is immediately displayed, thus eliminating the need to retrieve it from its original