Final answer:
All the options
Marketing reports provide detailed information about various aspects of a marketing campaign, such as click-through rates, conversion rates, traffic sources, and user demographics.
Step-by-step explanation:
In marketing, reports provide detailed information about various aspects of a marketing campaign. The options listed in the question are examples of the type of information that can be obtained from marketing reports. Click-through rates refer to the percentage of people who click on an advertisement or link, conversion rates represent the percentage of people who complete a desired action, traffic sources indicate where website visitors come from, and user demographics provide information about the characteristics of the target audience.