Ключевые слова: abstract, background, blue, competition, competitive, deep, enjoyment, fitness, floating, flow, healthcare, healthy, hobby, horizontal, indoors, lifestyle, liquid, nobody, pattern, physical activity, piscine, pleasure, recreation, recreational pursuit, reflection, refreshment, relaxation, ripple, serenity, sport, sportive, swim, swimming lane, swimming lane marker, swimming pool, training, turquois, vibrant, vitality, water, wave, wet,