Content is not required to provide the mechanism. Note 2 Writing systems for some languages use different presentation aspects to improve readability and legibility. If a presentation aspect in this success criterion is not used in a writing system, content in that writing system does not need to use that presentation setting and can conform without it. Authors are encouraged to follow guidance for improving readability and legibility of text in their writing system. Success Criterion 1.4.9 Images of Text (No Exception) Understanding Images of Text (No Exception) | How to Meet Images of Text (No Exception) (Level AAA) Images of text are only used for pure decoration or where a particular presentation of text is essential to the information being conveyed.