Another important role of the PS is that it allows you to explain, although briefly, some information that may not be accurately represented by your transcript or Curriculum Vitae. For example, your GPA might be low because your school places a cap on grades given to students belonging to your major. Another example would be explaining the connection between your undergraduate major and your chosen graduate major, which might seem incongruous at first inspection. For these reasons alone, it is extremely important that you follow a guideline in composing your own PS.
Planning Part B and launching into your first draft _ Planning the structure of your essay and allotting your own word limits to each part give you a framework in which to develop the content. Naturally, there are three main parts introduction, body and conclusion. From the notes you have made previously along with the questions you need to answer, this is where you condense your prompts to fit each of the three sections. Relevance, power to support your application and evidence of who you are is what you are looking for.