This disk can be a great help in learning oral English. I contains some 93,226 entries. It gives you help in spelling and pronunciation. When the disk is in the CD reader it will pronounce the word with a click of the mouse.s It gives information of the origin of the word and definitions. It will also give some variations in spelling that are acceptable. It also has a thesaurus for most words when applicable. It amounts to an outstanding help to the English learner. Do remember it supports Amnerian English but contains some British variations.