RHT is an acronym that stands for "Right Hand Traffic." This term refers to the practice of driving on the right-hand side of the road. While RHT is the most commonly used term, there are other synonyms that are used interchangeably depending on the location. In countries such as the United States, Canada, and Australia, RHT is the standard, while in other countries such as the United Kingdom, India, and Japan, left-hand traffic (LHT) is observed. Some other synonyms for RHT include "right-side driving," "driving on the right," and "driving on the right-hand side of the road." These terms are essential to understand for individuals traveling to different countries to avoid confusion and prevent accidents.