This video shows how to use the TAG filter and explains how to use the ANY option to do a broad search or use the ALL option to narrow the search.
NOTE: An update to this section AFTER the video was created was the addition of 'NO' to the tag options.
ANY - If ANY of the selected tags are present in a contact record for it will show.
ALL - ALL the selected tags MUST be present in a contact record for it to show.
NO - NONE of the selected tags can be present in a contact record for it to show.