Accessibility ensures everyone, regardless of ability, can access and use digital content. It focuses on creating inclusive designs that accommodate diverse needs, including visual, auditory, motor, and cognitive impairments. By implementing accessible practices, websites, apps, and documents become usable by a wider audience, improving user experience and compliance with accessibility standards like WCAG. Key practices include providing alternative text for images, using semantic HTML, ensuring keyboard navigation, and offering adjustable text sizes and color contrasts. Accessibility is not just a legal requirement in many jurisdictions but also a moral imperative, reflecting a commitment to inclusivity and equal access for all.