At least one term project section posted. The Nature of Public Opinion Price. At least two term project sections posted. Your paper requires you to explain these things with regard to your topic. Dynamics refers to explanations of change across time.
Diversity refers to differences within individuals and groups within a time frame.
There are several possibilities for explanation. Your reading about public opinion should provide you with explanations. Look for them and incorporated them. You are looking for some explanations. Not the explantions.