• 黃(yellow; ripe grain field)

A mature golden rice plant with its stalk, roots, and heavy drooping grain panicles forms the image of this character.

• 曰(mouth open; speak)
• 丨丨(two vertical strokes indicating a curve)

The character 曲 shows a vessel's mouth with two curved walls, evoking the image of a bent and winding elbow.

• 母(mother; origin)
• 龶(toxic grass; harmful plant)

A toxic plant grows from the earth like a mother nurturing life, but carries deadly poison.

• 糸(silk thread; filament)
• 龶(coarse undyed thread bundle; top part of thread)

Raw silk that hasn't been dyed suggests the meaning of pure, simple, and basic.

• 黃(yellow; ripe grain field)

A mature golden rice plant with its stalk, roots, and heavy drooping grain panicles forms the image of this character.

• 曰(mouth open; speak)
• 丨丨(two vertical strokes indicating a curve)

The character 曲 shows a vessel's mouth with two curved walls, evoking the image of a bent and winding elbow.

• 母(mother; origin)
• 龶(toxic grass; harmful plant)

A toxic plant grows from the earth like a mother nurturing life, but carries deadly poison.

• 糸(silk thread; filament)
• 龶(coarse undyed thread bundle; top part of thread)

Raw silk that hasn't been dyed suggests the meaning of pure, simple, and basic.