What is difference between PAGE BREAK and Section Report? | Cognos

Section-section is eliminate the duplicate recod.but report looking separate bluck.
setpagebreak means to display the reports in onepage. eg. suppose u create a list report ordermethod, orderyear,revenu when u create section on ordermethod.it will eliminate the duplicate record.but when u apply the set pagebreakc.report display in onepage.like fax reports in onepage,email reports in another page.this in cognos 8 querystudio.