In design software and web development, "solid" distinguishes filled elements from "regular" (outline) styles.
Solid or filled characters in a text box? - SIEMENS Community In design software and web development
: For Cut Vinyl Text , designers ensure text is "solid" (not just an outline) so the machine cuts the full letter shape for window or wall application. 🔒 Security & Privacy continuous line for underlines or strike-throughs.
: The text-decoration-style: solid property creates a single, continuous line for underlines or strike-throughs. In design software and web development