Single Keyword The Single Keyword property type (Figure 471) can be selected from the Keyword Picker screen (Figure 472). The Single Keyword can also be selected using a drop down list (Figure 473), if you’ve entered values in the Values Restriction field. Use a Single Keyword field if you want to encode membership in one of a set of exclusive categories. It can be used in indexes and for sorting, in collection filtering, and must be matched exactly when searched. Figure 471 Figure 472 Figure 473 You can also optionally use the Are Values Limited? setting with a Single Keyword property type.