The Properties List shows the properties for the currently selected element in the Element Tree. It is split into three columns, showing the property name and the left- and right-hand property values. Properties which have changed between the two lifecycles are highlighted in bold. Properties which have been excluded from the comparison are shown in grey (note that a number of properties are excluded by default, as they are always different between any two lifecycles, for example the object ids). Where a property appears on one side and not the other, it is decorated with an arrow similar to those in the Element Tree.
The majority of properties are simple values - either names or numbers. A small number of these value properties are enumerations, and where possible the values are displayed as an interpretted value (for example, the default path option for a check-in or check-out process is shown as "Preserve and Create" rather than as a number, which is how it is stored in the database).
Some properties are actually lists of values. These are mainly access-control lists, but there are also lists of recipients for notify processes and lists of approvers for approve processes. Lists are not compares as flat text - instead the individual entries in the list are compared. The list-view highlights individual entries that are different in red and entries that have been excluded in grey.