In francisco goyas the third of may, 1808, the artist used a variety of actual and implied lines to attract attention to specific points within the composition. lines that draw the viewers attention in this way are known as lines.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.