Ребят напишите пожалуйста четкие дефиниции (не перевод!!!)Вот слова: triangular/string/look

Triangular- having 3 sides and 3 corners
string-a cord usually used for binding or tying
look down on-to regard or treat as inferior
take seriously-to pay attention to,to take to heart
salon-elegant apartment for the receptions of fashionable parties
perform-plan, organize and carry out (an event)
solo concert-a public musical performance given by just one person
orchestra-a group of performers on various musical instruments.
exhibition-a public display of works of art or items of interest
upper class-a social group of people having the highest social rank and who are always rich
national-common to a whole nation
identity-similarity,likeness