Lux Ladies, Inc., is a company that specializes in expensive and unusual gifts for all occasions. It keeps a large file of information on all of its regular customers, including names, addresses, and type of gifts they have ordered in the past, and the size and frequency of their orders. The electronic file which stores this information is a(n) .

Database.

Explanation:

A database is a structured collection and gathering of data, usually stored and later used electronically from a computer system. Whenever there’s a complexity in databases then there are mostly developed using formal design and some advanced modeling techniques.

It is a system built for storing and managing data (every kind of information). A database machine is capable of sorting, changing or serving the information on the database. The information itself can be kept in many diverse ways - prior to digital computers, printed books, card files, and other methods were used.