A group of single-value data fields. Each single-value data field can store only one
data value at a time, for example, a project leader or a due date.
Some single-value data fields can have multiple options. For example, the
Status
data field might contain the options
Not Started,
In Progress,
or
Completed,
but this data field can only store one value at a time, so the user can select
only one option.
