input: [Type] Addison [Information] A library catalog is an organized and searchable collection of records of every item in a library and can be found on the library home page. The catalog will point you to the location of a particular source, or group of sources, that the library owns on your topic. [Examples] Virginia Tech's library catalog is called Addison. [Use] 
output: to find out what items the library owns on your topic to find where a specific item is located in the library