Plus Sign Icon - Universal Symbol for Addition, Expand, and Positive Action #77979 (License: Personal Use)

This high-contrast black plus sign on a pure white background is a universally recognized symbol for addition, expansion, or positivity. Its simple, geometric design ensures scalability and legibility across devices and resolutions, making it suitable for buttons, icons, infographics, and signage.

Commonly used in web and mobile UI as an “add” or “expand” button; also appears in medical contexts (e.g., first aid), mathematics, and accessibility tools. Matches user intent for finding vector icons, UI assets, or symbolic imagery.