E.g. dogs have name, sex, date of birth and so on.
We have tried to anticipate most of the data which you are likely to want to enter for any record type. However, you may find that there is no field available for some data that you like to store. To cater for this situation, each record type includes three general purpose text fields which you can use for anything you like. These are called the 'user defined' fields. Initially, these fields have the names 'User Field 1', 'User Field 2', and 'User Field 3'.