What is a One movement instrumental work that utilizes pictorial associations?

A notable one-movement instrumental work that utilizes pictorial associations is "The Moldau" by Bedřich Smetana. This symphonic poem vividly depicts the course of the Vltava River as it flows through the Czech countryside, incorporating musical themes that evoke scenes such as a peasant wedding and a moonlit night. The piece employs various orchestral colors and motifs to create a rich auditory landscape, allowing listeners to visualize the journey of the river and its surroundings.