Media. So, one piece of art can be made of one medium or
several media. If you've ever been to an art museum or gallery, you've
probably seen those little signs next to each piece that look something
like this:
'Oil on Canvas'
'Tempera on Wood'
'Ink on Silk
Answer: It is describing the dreadful voyage of a group of enslaved Africans on a slave ship—more specifically the so-called middle passage voyage.
Explanation: Just to elaborate a little on the answer, it can be added that this is an excerpt from Olaudah Equiano's bestseller autobiography (1789). He was a former enslaved African who was eventually able to buy his freedom and become a seaman and a merchant. In this passage he is relating the horrors he experienced and witnessed during the so-called middle passage voyage across the Atlantic Ocean to the New World. He describes the unbereable voyage aboard an overcrowded ship, the unhealthy conditions, the diseases and the deaths, as well as the screams and the groans of those that, like him, were obliged to leave their homes and work as slaves.
You can create brown from the primary colors red, yellow, and blue. Since red and yellow make orange, you can also make brown by mixing blue and orange. The RGB model used for creating color on screens like the television or a computer uses red and green to make brown.