Nevertheless, these observations provided essential background information that helped us better understand the data from other sources. (citejournal.org)
For instance, students could discuss the similarities and differences in their interpretations, or the teacher could model academic language and teach essential background information. (gse.harvard.edu)
It should give any essential background information, and state the expectation of the paper, that is what you are going to state in that paper. (traditionessaysonline.com)