An archtop is a type of hollow steel-stringed guitar distinguished by its curved, arched top and back, rather than the flat surfaces found on most guitars. Developed in the early 20th century, archtops typically feature f-shaped sound holes, a floating bridge, and a tailpiece. These design elements contribute to a warm, resonant tone with strong projection, making them especially popular among jazz, blues, and rockabilly musicians. While not directly related to cybersecurity, the term may occasionally appear in discussions about digital audio, music production, or the security of digital assets related to music files and instruments.