Environmental design

Environmental design is often used to show a concept of how something can look or be seen. These enviroments are most used in gaming or architectural visualizations. In gaming industry it is used most for concept arts of maps and bioms. In architectural industry this is used for surroundings of buildings.
Assets are a big part of environmental design because it is very time consuming to model so many realistic looking models. Studios mostly invest in these assets to speed up their work flow.