IV. The fourth type of lines describes elements of our visual perception that are not visible. These so-called meta-drawings — grids and markers, for instance of linear perspective, — can be used to point at something we are not aware of. When combined with other visuals these markers remain separate from the rest, acting outside the experience like a commentary. This form of drawing is more common in theoretical, academic and scientific contexts, in cases when clarity takes precedence over expression. Its purpose is to explain the experience rather than to create one.
All these forms have their own purpose and can, naturally, appear together if the artist decides so. Moreover, one style does not cancel out the other, but provides information in an alternative route. One can rely on systems of clues within a drawing, but being creative is not just following existing methods, but expanding them. Drawing is not just using a visual language. It is about creating visual poetry.
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