Final answer:
The comment section of a blog is the feature that enables authors to interact with their readers, allowing for feedback and dialogues that foster community engagement.
Step-by-step explanation:
The feature of a blog that allows an author to interact with and receive feedback from readers is typically the comment section. This interactive element enables readers to leave comments on blog posts, which the author and other readers can view. This possibility for dialogue fosters a sense of community and allows for impactful engagement between the author and the audience. Furthermore, blogs offer various tools to enhance this interaction, such as social media sharing options and the ability to respond directly to individual comments, thereby facilitating a more connected and interactive experience.