Information and user interface components must be presented in ways that users can perceive. This means that users must be able to perceive the information being presented, it can’t be invisible to all of their senses.

Making the website fit for all features is a good example.

User interface components and navigation must be operable. This means that users must be able to operate the interface, the interface cannot require interaction that a user cannot perform.

Having different options such as text-to-speech, bigger buttons and text, and colors helps the user get a better understanding.

Information and the operation of the user interface must be understandable. This means that users must be able to understand the information as well as the operation of the user interface the content or operation cannot be beyond their understanding.

Images with titles or subtitles to be inclusive to all.

Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies. This means that users must be able to access the content as technologies advance as technologies and user agents evolve, the content should remain accessible.

Having pop-ups when typing makes it easy to see what the options are without having to type them in.