In 3 to 5 complete sentences explain how authors use characterization to support theme in literature

Authors use characterization to support the theme in literature because it makes it easier for the reader to relate. The characterization of a character gives more background. Think about it this way. There are round characters and flat characters. Round characters are complex and developed, embodying a number of qualities and traits. Round characters  stand for ideas, such as the theme. Flat characters represent a single characterisitic, trait or idea.