To implement the feature in a web page, the web author must implement a CSS tooltip with the explanatory pictogram for selected words. In the code below a simple implementation is shown.
To implement the feature in a web page, the web author must implement a CSS tooltip with the explanatory pictogram for selected words. In the code below a simple implementation is shown (see [Text demo website](https://gpii.eu/mq-5/example/text/index.html)).