The term 'Group Honored at a Stockholm Exhibit' can be summarized as the Swedish pop group ABBA, who were honored with an exhibit in Stockholm. ABBA was one of the most successful pop groups of the 1970s and 1980s, selling over 370 million records worldwide. They are best known for their hit songs such as 'Dancing Queen', 'Mamma Mia' and 'Take a Chance on Me'. The exhibit in Stockholm celebrates their success and is a testament to their lasting legacy.