Grouping filters allows you to use and and or logic within the inclusion or suppression sections.

To group filters, first create your filters and then click the checkboxes on the left of each filter. Then click the Selected button and click Group Filters .

Now, I have audience of phone numbers that have opened an email OR clicked on a text broadcast, and are all in the eastern time zone (based on their phone number area code).

To ungroup filters, click the checkbox and then click Selected and then Ungroup Filters.