Answer: Type
Explanation: A data dictionary holds the data or information stored in a database. It holds the definition of all database objects like tables, triggers, clusters, views and so on.
Since a data dictionary contains so much information about a database, The type of data stored in a data dictionary is called the data type, which shows the specific format of the stored information. Common data types are numeric, alphabetical or character values. The data type must be defined when variables used to hold information is written in a program. The data type determines how the information is processed and the type of function which can be applied on the declared variable.