1) The painting depicts the entrance to the Grand Canal in Venice in 1905, showing landmarks like Santa Maria della Salute and the Doge's Palace. 2) The painter J.M.W. Turner used cool colors like dark blue to convey the coldness of the ocean in the early morning as the sun was rising, contrasted with warmer colors used for the rising sun. 3) The textures draw attention to important parts of the painting like the sun and light, making the vessels leaving port before sunrise seem dreary and lonely.