, < i > and < center > tags. In other words, it's a way of using HTML markup - classes, divs, tags and so forth - to complement the actual words or resources on a page. Mit Flexionstabellen der verschiedenen Fälle und Zeiten Aussprache und relevante Diskussionen Kostenloser Vokabeltrainer terms for housing, for garments, for immediate relatives, for classification of human behaviour, etc. Real people looking only at how your page displays may never get that additional communication, but machines will. Here is a semantic map example from which you can learn to create your own. Don’t forget that search engine robots are the biggest group of blind users on the internet! Elements such as