Providing text alternatives for non-text content adheres to which WCAG principle?

This aligns with Perceivable because text alternatives make non-text content available in a form that assistive technologies can interpret. HubSpot states that images, icons, videos, and buttons that convey meaning or are interactive should have a text alternative. That allows users who rely on screen readers to access information that would otherwise be available only visually. The requirement is about making content detectable and available to different senses, which is the core purpose of Perceivable . HubSpot Developers