All the words - in 2 languages. Type in your word in one language and find out the equivalent word in the other. Many words also state alternate usage and have additional variations for better explanation which makes it the ideal companion for study and to travel. Extremely convenient and pretty comprehensive too as the data we use is taken from the "Collins Gem" series which are amongst the most popular modern language dictionaries available today. Magnifique! as I think they say in French. I"ll just check...