From the preliminary task to the final front cover and contents page, the author learned several layout and design skills. For the front cover, they learned to add banners, enlarge the masthead, use different fonts and colors, and properly layout cover lines and pricing. For the contents page, they learned to include more images and columns for easier navigation, add section titles and page numbers, and include the issue number and date in the layout. Overall, the preliminary task helped the author improve the visual design and reader experience of the key magazine pages.