could you put a link or something of the article
The orthogonal lines in the work merge at the vanishing point. In a perspective drawing, the artist uses parallel diagonal lines which meet and diminish to a vanishing point. These lines are called orthogonal and create the perspective and a more realistic view. The vanishing point offers the painting a three-dimensional look.
I think it is a type of maroon.
Though family is important you need to follow your dreams and your path because that is your happiness they are ruining by telling you, you should be someone you don’t want to me. Have a open conversation to them and speak about how you feel, if they don’t accept your decision that’s their loss because i bet you will be an amazing singer