Ink

It tends to appear as dark lines, fluid blooms, and tool- or pressure-driven variation in line width.

Visual traits

• dark lines
• fluid blooms
• varied line width

Expected changes

• Contours and strokes become more likely to stand out
• Liquid flow and blooms become more likely

Definition

Ink is a liquid coloring material used with pens, brushes, printing, and related methods to make lines, writing, or color areas. It does not determine a particular writing instrument, typeface, printing method, or narrative.

In more detail

Ink may appear as dark contours, flows, blooms, or layered lines. Viscosity, color, support, and tool change its edge sharpness and absorption.

Includes

• Liquid ink used for drawing, writing, or printing

Excludes

• A pen or brush as a tool
• a particular typeface or written content
• oil or watercolor paint

What this does not imply

• Particular words, language, typeface, or cultural calligraphy
• a particular writing tool

Variability

Line density, blooming, and sheen vary by ink type, support, and tool.

Usage

• Specify as line or color material; specify textual content separately

Distinguish similar expressions

• Distinguish from tools such as brushes and pens

Typical uses

• Drawing with emphasized contour lines
• Monochrome expression with fluid blooms

Possible failure modes

• It becomes merely black vector lines
• Unintended legible writing appears