1) Tiramisu, an Italian dessert, is a layered concoction of ladyfinger biscuits soaked in coffee, mascarpone cheese, and cocoa powder. It originated in the region of Veneto and is known for its creamy and indulgent flavors. Tiramisu has become a popular dessert worldwide and is often enjoyed at the end of a meal or as a sweet treat during special occasions. It combines the richness of coffee, the sweetness of mascarpone, and the texture of sponge fingers for a delightful experience.

2) The word "triangle" contains four vowels: I, A, E, and E.

3) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

4) The painting "The Scream" by Edvard Munch is an iconic work of art that depicts a figure in anguish and has become a symbol of existential angst.