In the most abstract sense, the function of an introductory paragraph is to move the reader from the world of daily life into the textual and analytical space of an essay ... topic that will be used ...

For example ... glimpse into your thoughts on the essay topic or question. You could briefly: introduce your main idea or key point summarise your overall argument give some brief background ...

Set the tone: Clearly state your understanding of the topic and outline what the essay will cover ... Reaffirm your arguments and propose a vision for the future. Example of a global issue ...