What root means writing: Graph. What word names the part of a piece of writing that begins with a topic sentence, describes the topic in detail, then ends with a concluding sentence: paragraph. What word names what someone has written when he or she signed his or her own name on something: autograph. What is the root of the word 'graffiti': graph. A telegraph is an outdated system of sending messages over long distances by using wires and electrical signals. Which part of the word telegraph means 'long distances': tele. A person receiving a telegraph can read the message because it is written on paper. Which part of the word telegraph is related to writing: graph. A paragraph is a piece of writing that deals with one subject and is made up of one or more sentences. Which part of the word paragraph relates to writing: graph. Why does graphite contain the root word 'graph': Because the root word 'graph' means writing