The usability principle of accessibility centers on designing digital solutions that are inclusive and easily usable by all individuals, including those with disabilities or impairments. It involves implementing features and functionalities that accommodate various assistive technologies, ensuring that content is perceivable, operable, and understandable for everyone. By adhering to accessibility principles, digital solutions become more user-friendly and reach a broader audience, fostering inclusivity and equal access to information and services, regardless of users' abilities or limitations.