include conflict, depravity, ugliness. • Value polarities include agreement-disagreement, freedom-restraint, pleasure-displeasure. • Value clusters include feeling complex, interaction complex, communication complex. Human Development is a database with over 4,800 entries. • Concepts of human development include vocational training, benevolence, emancipation of the self. • Modes of awareness include compassion, sense of shame, conviction, sense of humor. Patterns and Metaphors is a database with almost 1,300 entries. • Communication: Forms of presentation include animation, statistical indicators, prophecy. • Metaphors include ball games, sexual intercourse, personification, stick and carrot processes. • Patterns (Christopher Alexander) include encirclement, internal connectedness between domains, partially isolated contexts. • Symbols include birds, food-related objects, sacred calendar. • Transformative conferencing includes aggressive participant type, lecture, team roles. • Transformative metaphors (I Ching) include creativity, receptivity, inexperience. Integrative Concepts is a database with over 630 entries. Entries include design, meta-language, science policy. Network Visualizations is a database featuring a collection of documents added from 2001 to the present. Bibliography (issues) is a database with 16,000+ entries and 24,000+ links. Entries and links The Encyclopedia online databases consist of over 100,000 entries (also called profiles) and 700,000 links. An entry, for instance War, may include the following elements: 1) name, alternative names, nature or definition, background or context, incidence (for problems) or implementation (for strategies), claim of importance, counter-claim, quotations or aphorisms (for values); 2) links to the same database entries that are more general (broader), more specific (narrower), related (in some as yet unspecified manner), preceding (aggravating or reducing problems, constraining or facilitating strategies, prior modes of awareness), following (aggravated or reduced problems, constrained or facilitated strategies, subsequent modes of awareness); 3) cross-reference links, mainly between entries in the Problems, Strategies, Values, and Development databases; 4) links to entries in other UIA databases, mainly the International Organizations database; 5) reference links to entries in the Bibliography (issues) database; 6) links to relevant websites. Notes and commentaries The Encyclopedia of World Problems and Human Potential contains nearly 500 pages of introductory notes and commentaries. Some of them just provide readers with usual information about the work content and its organization. Most of them represent extensive reports on the exploratory work done by the editors in eight projects (also called research areas, or sections). Here are those projects, with illustrative examples of key ideas figuring in the notes and commentaries. Encyclopedia of world problems and human potential project A first objective