(2) Ability to observe.
(3) Ability to select from a complex visual situation the most representative and the most beautiful aspects.
(4) Memory for visual forms.
(5) Ability mentally to manipulate visual forms.
(6) Ability to control hand movements in accordance with visual percept or image.
(7) Ability to invent, to bring together into new artistic combinations the elements of different visual experiences.
(8) Ability to judge the beautiful in line, form, color, and composition.
(9) Ability to discriminate differences in color.
(10) Ability to discriminate differences in visual magnitude.
(11) Acuity of vision.