The answer to this question is "No". The four items you mentioned belong to different categories and have different functions and purposes. Artistic works are creative expressions that encompass various forms such as painting, sculpture, music, dance, etc. Feather masks are traditional costumes or masks used in some cultures for festivals or performances. Backpacks are containers used for carrying items while traveling or hiking. Suitcases are also containers used for traveling and carrying clothes and other items. Therefore, they are not the same as each other in terms of their nature or purpose.