Gravicon, as a concept for a font, may not be a universally recognized or standardized font in the realm of typography as of my last update in 2023, so I'll approach this description with a creative interpretation that fits the name. The term "Gravicon" seems to evoke a sense of gravity, strength, and modernity, combining "gravitational" allure with an "iconic" presence. Envisioning Gravicon, one might think of a typeface designed to embody solidity, authority, and a forward-thinking aesthetic.

With these thematic cornerstones, Gravicon could be characterized by its bold and clean lines, reflecting confidence and dependability. It might feature a sans-serif design, known for its readability and versatility in digital and print mediums, making it suitable for a wide array of applications, from corporate branding to digital interfaces. Its characters could possess a unique geometric structure, with subtly rounded edges to add a touch of approachability to its otherwise stark and commanding appearance.

Capital letters in the Gravicon font might be designed with particular attention to creating an impactful presence, possibly incorporating slight notches or curves that distinguish it from other sans-serif fonts, giving it a recognizable personality. Lowercase letters, while maintaining the overall geometric and bold approach, could be slightly more subdued to ensure excellent legibility and flow in longer texts.

In the digital realm, Gravicon could be optimized for outstanding performance across different screen sizes and resolutions, ensuring clarity and readability no matter the device. Its distinctiveness, paired with an underlying simplicity, would make it an excellent choice for brands looking to convey innovation, solidity, and a forward-looking perspective.

Without access to a universally acknowledged font database including "Gravicon," this imaginative description aims to capture what such a font might encapsulate, inspired by its evocative name.