The description for the file.

The units in which to display failure rates. The default is 1000000 because several commonly used reliability prediction models base their calculations on failures per million (FPM) hours. However, you can change the units. For example, you might change the units to 1000000000 to base calculations on failures per billion hours, which is also known as FITS (Failures in Time).

The part number for the file.

Indicates whether to make the file read-only. When this checkbox is cleared (default), the file can be modified. When it is selected, the file cannot be modified. In this case, you can still use the file as the basis for reports or graphs and possibly export the data in it. However, you cannot rename, delete, or modify it.

An identifier for systematically recognizing the file.