Ключевые слова: approach, background, based, bright, case, case study, causation, circumstances, cloud, concept, conceptual, criteria, data, decisions, definition, design, distinguished, established, evidence, example, focus, glowing, graphic, historical, illustration, information, instance, key, knowledge, light, local, neon, nested, object, quantitative, reasoned, records, representation, researcher, retrospective, sampling, set, shining, shiny, studied, study, style, stylized, tag, tagcloud, tags, theoretical, theory, typology, viewed, word, wordcloud,