-> Certainty 84; Conversation 108, 110; Heuristic 159; Information retrieval systems 180, 182, 183; Language environment 201; Learning 205; Lexicographer 219; Practical 274, 275; Problematic 287; Translation 367; Work, introduction of 406;
& Blurting 76; Context 102, 103, 104, 106; Heuristic 146, 160; Information retrieval systems 181, 186; Learning 213; Thesaurus 353;