An informative essay aims to present facts and information on a topic in an organized and objective manner. It requires thorough research from credible sources, clear communication of complex ideas in an accessible way, and an understanding of effective essay structure with a compelling introduction, well-organized body, and concise conclusion. Writing an informative essay on the topic of what an informative essay entails itself poses challenges like maintaining focus on information over opinions, evaluating source credibility, and balancing the use of jargon for different audiences. Overcoming these challenges leads to a well-crafted essay that informs and engages readers.