Automatic electronic navigation is a term used to describe the technology used to guide vessels in water. It refers to the use of electronic devices to automatically navigate through waterways, using computerized systems to guide, steer and control the vessels. There are several synonyms for this term, including computer-assisted navigation, automated navigation, precision navigation and electronic navigation. These terms essentially refer to the same thing, but may be used in different contexts or situations. Automated electronic navigation is becoming increasingly important in today's world of shipping and marine transportation, as it helps reduce human error and increase safety on the water.