IX. Ilustrations: an alternative text:
An alternative text is textual information about what you see in a graphic element that is relevant to the text or topic that the element illustrates. Alternative texts are read by a screen reader and allow people with blindness or vision impairment to see what is, for example, in a given graphic, photo, table or chart. Graphic elements without an alternative description will be read by the assistive software for visually impaired people as the word ‘graphic’, so they will not get any other information that this ‘graphic’ is supposed to convey.
Recommendations for creating alternative texts:

