a mental representation or vision of something frightening or haunting, often associated with fear, anxiety, or an unsettling memory

призрак
the range of different wavelengths or frequencies of light or radiation

спектр
the act of approaching each other from different places for the purpose of unifying

конвергенция
(of human activities or natural forces) to gradually break down rocks, mountains, hills, etc.

деградировать
the act of taking away someone's dignity, usually by reducing their rank

деградация
able to utilize language to convey something well, especially in a persuasive manner

красноречивый
a speaking style that involves controlling one's voice and having an accurate pronunciation

ораторское искусство
the act of designing and organizing dance movements for a performance

хореография
