6.14.1 Individual Contacts - Attributes
screen allows you to store any information you would like that is not contained
on any other screen by creating custom data fields. The really powerful part is
that you can specify what kind of data is allowed to be stored in these fields
so that you can force users to enter information in a structured way ensuring
that you will be able to use the information in searches without having to guess
which format it was entered in.