Triangle represents Fire , passion, meditate on this symbol to intensify and clarify desire, creativity, prosperity, magnetism and to develop the right brain .
Circle represents Air , thought, and is used to enhance ones ability to visualize and discriminate. Meditation on circles activates the subconscious mind brings about greater ability to discriminate ,concentrate and communicate.
Moon represents Water , this symbol increases the ability to feel , meditation with this form can bring greater self reflection sensitivity and receptivity toward others.
Squares represent Earth, focus and determination , diversity , inner strength enhances the ability to move from dreams to reality.
Ovoid or ellipse represents space, the void , the universe , the womb, the cosmic egg ,new life ,understanding , female or yin energy.
Figure out the overall main theme of the story/phrase/piece of writing.
Find appropriate shape. Determine color. Primary = positive Secondary = negative Tertiary = neutral, maybe, etc