Caviar stock typically refers to the shares of companies involved in the production and sale of caviar products, such as SC International Caviar Corporation SA, founded in 2005. 

Marijuana is a dry, shredded green/brown mix of flowers, stems, seeds, and leaves from the Cannabis sativa plant. The mixture typically is green, brown, or gray in color and may resemble tobacco.

Maize is a cultivated grass that usually reaches around 3m in height. The stems have dark green and shiny leaves that grow alternately along either side. At the top of the stem, numerous male flowers are arranged in a complex structure resembling tassels, and release pollen when blown by the wind.

Sorghum is a tall, erect, annual grass that typically grows to a height of 1-2 meters. It has long, narrow leaves and produces large, compact clusters of grain on top of its stems. The grains are typically small and round, with a hard outer layer that is difficult to remove.