New frontier is a phrase used to describe exciting new opportunities and ideas. It comes from the idea of a "frontier" which is the edge of a wild and unexplored territory. People who explore frontiers and create new things are known as "explorers". Today, the phrase "new frontier" is used to talk about any innovative idea or opportunity that has the potential to improve our lives. It can refer to new technologies, business models, social movements, or anything else that helps us find a better way to do things.