Words & Concepts I is a language and vocabulary tutorial program designed to enrich vocabulary, strengthen language comprehension, increase understanding of word relationships and encourage concept development for individuals with developmental, cognitive, physical, visual, hearing, and language learning disabilities, and autism. The program offers the following activities using a 40 noun core vocabulary and pictures, usually at three levels of difficulty: Vocabulary, Categorization, Word Identification by Function, Word Association, Concept-Same/Alike, and Concept-Different. Scan speed, response time, and criterion for ending the lesson can be adjusted. COMPATIBILITY: For use with Macintosh and IBM and compatible computers. SYSTEM REQUIREMENTS: The version for IBM and compatible computers requires a Pentium 133 megaHertz (MHz) or faster processor; a hard drive with Windows 95, 98, ME, NT, 2000, XP or later; 16 megabytes (MB)RAM; a Windows compatible sound card; and a 4x speed CD drive. The Macintosh version requires a 68040 processor or PowerPC; System 7.5 or later; 8 MB application RAM; and a 4x speed CD-ROM drive.