Usually different parts of a text perform different functions. Identifying the purpose of different parts of a text can help you recognize the structure and understand its overall purpose. Some common functions are listed below.
*Introduce the topic: This is the first paragraph in which a new idea is mentioned.
 *Report data: Authors ofthen group the most important figures and statistics together in one paragraph.
*Explain facts: These paragraphs give real, true information rather than opinion, argument, or speculation,. Authors often establish the facts of a situation before presenting opinion, argument, or speculation.
*Give supporting information:
These paragreph present examples and other information to support arguments or to give context the topic.
*Present an argument:
These paragraph group together all the arguments on one side of an issue.
*Present another side of an issue: A well-balanced text presents more than on side of an issue. Even if the authors is biased they will often present opposing arguments to make the text appear neutral.