TREND enterprises, Inc. Types of Writing Learning Chart, 17" x 22" Examples of narrative, expository, descriptive, and persuasive writing are presented and explained. A great year-round reference tool for any classroom where grammar, usage, and writing are a focus. Extra Value: Back of chart features reproducible activities, subject information, and helpful tips. 17" x 22" size appropriate for classrooms as well as smaller workspaces & home use.