Accessibility - the BBC describes it very well please click on the following link. The BBC have many suggestions which can make life a little easier. Please read some of them below.
Accessibility is the word used to describe whether a product (for example, a website, mobile site, digital TV interface or application) can be used by people of all abilities and disabilities.
For instance, a website is accessible if all people, including disabled and elderly people, can use it. At the BBC, we aim to ensure that all of our products are informative and entertaining to use as well as being accessible - this is called usability.
On a website, accessibility depends on how a person's disability affects the way they perceive information on a page and how they navigate within and between pages. Elements that affect accessibility include:
We hope these few words are of assistance.