#illustration  artwork that helps make something clear or attractive
  supertype:  #artwork__art__graphics__nontextual_matter  photographs or other visual representations in a printed publication; "the publisher was responsible for all the artwork in the book"
  part:  #caption
  subtype:  #picture__pictorial_matter__pictorialmatter  illustrations used to decorate or explain a text; "the dictionary had many pictures"
  subtype:  #figure__fig  a diagram or picture illustrating textual material; "the area covered can be seen from Figure 2"
  subtype:  #chart  a visual display of information
     subtype:  #plot.chart  a chart or map showing the movements or progress of an object
     subtype:  #organization_chart  a chart showing the lines of responsibility between departments of a large organization
     subtype:  #color_chart__colorchart  a chart displaying colors
        subtype:  #color_circle__colorcircle__color_wheel__colorwheel  a chart in which complementary colors (or their names) are arranged on opposite sides of a circle
     subtype:  #bar_chart__barchart__bar_graph__bargraph  a chart with bars whose lengths are proportional to quantities
        subtype:  #histogram  a bar chart representing a frequency distribution; heights of the bars represent observed frequencies
     subtype:  #eye_chart__eyechart  a chart that is read from a fixed distance; used as a test of vision
     subtype:  #flip_chart  a chart with several sheets hinged at the top; sheets can be flipped over to present information sequentially
     subtype:  #pie_chart__piechart  a circular chart divided into triangular areas proportional to the percentages of the whole
     subtype:  #star_chart  a chart showing the relative positions of the stars in a particular part of the sky
     subtype:  #profile  a graph representing the extent to which something exhibits various characteristics
        subtype:  #population_profile  a chart showing the number of people as a function of their ages
  subtype:  #graph__graphical_record__graphicalrecord  a drawing illustrating the relations between certain quantities plotted with reference to a set of axes
     subtype:  #characteristic_curve__characterisic_function__characterisicfunction  (electronics) graph showing how a particular characteristic of a device varies with other parameters
        subtype:  #frequency-response_curve__frequency-response_characteristic__frequency_response__frequencyresponse  (electronics) a graph of frequency response with signal amplitude or gain plotted against frequency
     subtype:  #ballistocardiogram  a graphical recording made by a ballistocardiograph
     subtype:  #electrocardiogram__cardiogram__EKG__ECG  a graphical recording of the cardiac cycle produced by an electrocardiograph
     subtype:  #electroencephalogram__encephalogram__EEG  a graphical record of electrical activity of the brain; produced by an electroencephalograph
     subtype:  #electroretinogram  a graphical recording of the electrical activity of the retina that results when light is flashed into the eye
     subtype:  #Laffer_curve  a graph purporting to show the relation between tax rates and government income; income increases as tax rates increase up to an optimum beyond which income declines
     subtype:  #myogram  a graphical recording of muscle activity
        subtype:  #electromyogram__EMG  a graphical record of electric currents associated with muscle contractions
     subtype:  #radiation_pattern__radiationpattern__radiation_diagram__radiationdiagram__pattern  graphical representation (in polar or cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
     subtype:  #tachogram  a graphical record of speed and distance produced by a tachograph
     subtype:  #exponential_curve__exponentialcurve  a graph of an exponential function

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