On the Contacts tab, there is the option to tag contacts. Tagging can be used to help with building filters. To use Tags, click on the Contacts tab.
On the List View, the Tags are to the left of the Contact Names.
On the Record View, the Tags are just under the contact information.
On the List View, the Tags are to the left of the Contact Names.
On the Record View, the Tags are just under the contact information.