Art Nouveau (literally "new art" in French) was a popular international artistic style, developing between the end of 19th and early 20th centuries and reaching its peak between 1890 and 1910. The main aim of this movement was to free itself from the previous constraints that had traditionally been imposed on artists and to completely revolutionize design – a goal which, without a doubt, it was achieved. Evidence of this can be seen in the work of several important designers of the time – such as the artist Alphonse Mucha and the architect Antoni Gaudi – and also within other movements – the Arts and Crafts movement is a great example of this. This essay will explore how these figures and this movement were influenced by Art Nouveau in particular. Art Nouveau is considered a "total" style of art, as it encompasses and can be applied to all areas of art, including architecture, interior design, decorative arts, and fine arts. Art Nouveau pieces have a rather avant-garde look, using irregular shapes, intricate designs and stained glass to stand out from the fixed historic style that was considered the norm at the time. The style is also largely characterized by the unique combination of line, subject and material. The line is, more often than not, seen as elongated, graceful and sinuous, with angular lines rarely used. Another often used line type is the "whiplash" curve, which changes direction quite violently. Much of the designs used in Art Nouveau architecture are also inspired by nature: vines, leaves, grass, flowers and any other organic imagery. In fact, much of the flowing lines present are used with the purpose of imitating the natural flowing lines found in national styles......of half paper......and instead use new, organic shapes that emphasize humanity. connection with nature. He was therefore heavily influenced by the Art Nouveau style which was gaining popularity at the time. The resulting combination of these two important movements served to revolutionize interior design for the better, as it saw a gradual increase in the quality and creativity of the decorative arts. From these case studies, it becomes evident that Art Nouveau was perhaps the greatest influence on decorative art. art and design at the end of the 19th century. Although the movement was later replaced by the modernist styles of the 20th century, it is nevertheless recognized today as an important stepping stone between the fixed traditional artistic style of the time and the subsequent modernist approach to art, opening up new paths and endless possibilities for artists , architects and designers alike.