"In geometry, a line is an infinitely long object with no width, depth, or curvature."
The basic element of design that is used to create shapes, patterns, and textures. Lines can be straight, curved, horizontal, vertical, or diagonal.
Size: Refers to the physical dimension of a line and its relative proportion in comparison to other elements in a design.
Length: Refers to the spatial extent of a line and influences the implied direction, movement, and rhythm in a design.
Direction: Refers to the orientation of a line, whether it is horizontal, vertical, or diagonal, and conveys different moods, emotions, and visual effects.
Shape: Refers to the qualities of the line's curve, angle, bend, or twist, which can create distinct shapes, patterns, or textures in a design.
Texture: Refers to the tactile qualities of a line, whether it is smooth, rough, jagged, or fuzzy, which can suggest different materials or surfaces.
Tone: Refers to the brightness or darkness of a line, which can affect the contrast and mood of a design.
Contrast: Refers to the degree of difference between lines in terms of their size, shape, color, or other attributes, which can create visual interest, drama, or emphasis.
Space: Refers to the distance or proximity between lines, which can create the illusion of depth, dimensionality, or balance in a design.
Movement: Refers to the implied motion or flow of lines, which can suggest rhythm, pace, or action in a design.
Harmony: Refers to the pleasing relationship between lines in a design, which can create a sense of coherence, unity, or balance.
Horizontal Line: A line that runs parallel to the ground, evokes a feeling of stability and calmness.
Vertical Line: A line that runs perpendicular to the ground, represents stability, strength, and reliability.
Diagonal Line: A line that is slanted or angled, creates a sense of movement, energy, and tension.
Zigzag Line: A line that is formed by a series of diagonal lines or angles. It conveys a sense of excitement, instability, and movement.
Wavy Line: A line that undulates or curves in a smooth and flowing manner, suggests a sense of calmness, relaxation, and tranquility.
Curved Line: A line that flows in a smooth, rounded manner, adds a sense of gracefulness, softness, and flexibility.
Broken Line: A line that is interrupted or broken, creates a sense of movement, urgency, or unpredictability.
Thick Line: A line that is wide or thick, indicates weight, strength, and solidity.
Thin Line: A line that is narrow or thin, appears delicate, fragile, and light.
Continuous Line: A line that is unbroken and uninterrupted, creates a sense of wholeness, unity, and stability.
"Thus, lines are one-dimensional objects..."
"...though they may exist embedded in two, three, or higher dimensional spaces."
"The word line may also refer to a line segment in everyday life that has two points to denote its ends (endpoints)."
"A line can be referred to by two points that lie on it..."
"...or by a single letter."
"Euclid described a line as a 'breadthless length' that 'lies evenly with respect to the points on itself'."
"...he introduced several postulates as basic unprovable properties from which he constructed all of geometry."
"Euclidean line and Euclidean geometry are terms introduced to avoid confusion with generalizations introduced since the end of the 19th century, such as non-Euclidean, projective, and affine geometry."
"Infinity length, no width, no depth, no curvature."
"...embedded in two, three, or higher dimensional spaces."
"A line segment has two points to denote its ends (endpoints)."
"A line can be referred to by two points that lie on it."
"Euclid described a line as a 'breadthless length'."
"...to construct all of geometry."
"...such as non-Euclidean, projective, and affine geometry."
"...an infinitely long object with no width, depth, or curvature."
"...though they may exist embedded in two, three, or higher dimensional spaces."
"The word line may also refer to a line segment..."
"A line can be referred to... by a single letter."