→iceberg×abstract_concept×bodily_sensation×metaphor×discomfort×IWAKAN×tacit_knowledge×uncomfortable_feeling×(6.2.5.1)_tacit_knowledge:_a_sense_approaching_solution×(column)_two_kinds_of_tacit_knowledge×(6.2.5.2) Discomfort is an important sign×(6.2.5.3)_thinking_at_the_edge:_where_words_are_still_missing×(6.2.5.4) Matching with a dictionary×(6.2.5.5)_public_words_and_private_words×(6.2.5.6)_use_disconfort_to_arrange_cards×iceberg_model→