Detail appears once for every record in the report and usually contains bound text box fields.
Group Header and Group Footer appear before and after each grouping of records, if you choose to implement grouping.
Page Header and Page Footer appear at the top and bottom of each page. The header will often contain field labels and the footer often contains identifying information like report name, date, and page number.
Report Header and Report Footer appear at the very beginning and end of the report, and contain identifying information such as company name and logo, report name, report date, and report creator.