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Concept / Straight line

Straight line

A line that maintains direction to make contours or direction

A line that extends without changing direction.

Visual Treatments & Formal Design
Straight line · Medium-sized dog

Medium-sized dog

Both languages share the English example images. Japanese prompts are the recorded translations.

A phrase to start with

Organizes lines and contours with straightness.

Appearance and effects

Straight lines create edges and direction.

Visual traits

  • consistent direction
  • clear edges

Expected changes

  • Edges are more likely to become clear
  • Direction is more likely to appear

Five examples

1 — Medium-sized dog
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2 — Cat
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3 — Teenage boy
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4 — Unoccupied interior
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5 — Valley with a river and mountain ranges
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Meaning and scope

Definition

A straight line extends in a consistent direction without curving and makes edges or direction. Curvature, line weight, material, lighting, and damage remain separate choices.

In more detail

It organizes edges and direction with straightness. It does not specify texture, light, or spatial depth.

Includes

  • straight contours or lines

Excludes

  • curved lines
  • weight
  • material
  • lighting
  • or damage

What this does not imply

  • Curved lines
  • thick or thin weight
  • material
  • lighting
  • or damage

Variability

Because the provisional reference is not direct evidence for this candidate, root source review is required.

Usage and adjustments

Usage

  • Specify straightness only

Distinguish similar expressions

  • Specify curvature and weight separately

Typical uses

  • Clarify edges and direction

Possible failure modes

  • Too many curves remain
  • Forms become rigid

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From the same theme

Items linked through explicit membership in the same theme.