data type
A set of data having predefined characteristics such as
strings, integers, or dates. Each column in a database table is assigned
a data type. Data type also refers to the type of custom field specified
when adding answer, contact, incident, opportunity, organization,
quote, sales product, staff account, and task custom fields. Data
types for custom fields consist of menu, radio, integer, date, date/time,
text field, and text area fields.