Understory refers to the smaller trees, shrubs, and plants that grow beneath the forest canopy. Words that are synonymous with understory include underbrush, understory layer, understory vegetation, and forest floor. These terms describe the dense layer of vegetation that grows beneath the trees, providing habitat for wildlife and contributing to the overall health of the forest ecosystem. The understory also serves to filter and regulate water, moderate temperatures, and reduce erosion. By understanding the importance of the understory, we can better appreciate the complexity and interconnectedness of forest ecosystems and work towards their preservation and restoration.