database

A collection of (usually) organized information in a regular structure, usually but not necessarily in a machine-readable format accessible by a computer.

I have a database of all my contacts in my personal organizer.

A set of tables and other objects (queries, reports, forms) in the form of a structured data set.

The "books" database will have three tables, and the "customers" database will have two tables.

A software program (application) for storing, retrieving and manipulating such a structured data set.

Which database do you use: MySQL or Oracle?

A combination of such data sets and the programs for using them.

To enter (data) into a database.

The resulting citation collection was databased and coded for meaning, etymon, and date range (earliest and latest occurrence found).