Add Tags Functionality is now available for Journeys as well.

Just go over to Create - > Journey - > Create New -> Add Tags

You may now add Tags like Summer Specials, or Monday Blues and filter Journeys basis Tags. Tags enrich your Summary Reports, Billing reports and make it easier for you find your Journeys and club your marketing efforts in groups of sorts. Its fun to add Tags in different colors and helps you add important information to your Journeys

Head on over here to find the Detailed possibilities with Tags in Journeys.