In data analysis,you often plan a research design , collect samples,and summarize your data and statistics,wherein you will make a hypothesis and describe what you did with your data.
While in the result and discussion section you try to report or explain "What do your results mean?", and how they relate to the literature,interpreting your study results. When you discuss the study results, you relate your study findings to previous studies; you contextualize the contribution of your study. Discussion is how are these data compare with previous findings.Thus the findings are discussed and being compared .
Discussion unrolls the main results and explain their meanings. Put there the new questions and perspectives, describe the most interesting points for the entire field.It mainly define the possible answers, write down why , how what for, your suggestions.