Which important musical by leonard bernstein and stephen sondheim updates romeo and juliet to highlight racial tensions in new york city?

The answer is: West Side story

The west side story revolves around the lives of blue collar workers in new york  in early 1960s.

At that time, many immigrants from various backgrounds come and live in new York seeking job opportunities. Racial tension arise when local people feel that the immigrants started taking the available jobs and increase the rate of their unemployment.

lines and shapes are a part of the visual elements which can be played with and used to create a mood or feeling in a composition.

some of the other elements include the pattern, color, tone and texture. all these elements serve together as the construction blocks which are used by the artists to create artwork.

lines are used to form drawings and different shapes are formed when these lines are used in certain lengths or angles. so the artist can play with these elements of art to create and express different moods, thus conveying different  meanings.