A long description isa detailed account that goes beyond simple alternative text for images,
especially for complex visuals like diagrams, charts, or graphs.It aims to provide a comprehensive understanding of the image for users who rely on screen readers or cannot see the image visually.
Key aspects of long descriptions:
Start with an overview:
Begin with a brief summary or general impression of the image to set the context.
Provide specific details:
Go deeper into the image, describing key elements, relationships, and any relevant context.
Focus on information:
Long descriptions primarily convey information rather than just describing aesthetics.
Accessibility:
They are crucial for making digital content accessible to users with visual impairments.
Examples:
A long description for a graph might include the title, axis labels, data points, and any trends or conclusions that can be drawn.
In essence, a long description is a detailed, informative account of an image, designed to provide a complete understanding of its contents for individuals who cannot see the image directly.