The annual public exhibition of art in Paris organised by the Academy.
Some artists produce series of paintings of the same subject. In the case of Monet, his series record how the same subject (e.g. a haystack) can look different depending on the time of day, weather and season.
The subject that the artist has chosen to represent in an artwork.
The vanishing point of a painting that employs linear perspective refers to the part of the picture that appears furthest from the viewer.