This document discusses databases and their purpose. It defines a database as a collection of records with fields of different data types like text, numbers, dates and booleans. It explains that databases are used to store and organize information in an structured way. Database design involves defining records, fields and field types. Validation and verification help ensure data accuracy. Relational databases differ from flat files in how data is structured and connected. Examples of database fields for student records are given to illustrate concepts.