What 19th-20th century art movement focused on organic and fluid curvilinear lines, such as seen in this image, that were popular with artists such as alphonse mucha and gustav klimt?

This is my answer, and explanation Curvilinear shapes and abstraction with vine like tendrils. ... Art Nuoveaus visual quality is an organic, plantlike line. ... the spatial area and other visual properties, such as color and texture. His work was important for the 20th century art and architecture theory which Words and images wereintegrated

Theirs no image re-ask this question and add the picture