The main point of focus in a visual display is known as the

The main point of focus in a visual display is called figure which is the answer. In the geometry optics, the focus which is known as the image point is where the light rays come from a distance on the object being focalize.

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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.