diagonal (n.)
- axis
- band
- bar
- beeline
- bend
- bevel
- bias
- chord
- dash
- delineation
- diameter
- edge
- hachure
- hairline
- hatching
- line
- lineation
- normal
- oblique
- perpendicular
- radius
- rhomboid
- score
- secant
- segment
- separatrix
- shortcut
- side
- slant
- slash
- solidus
- straight
- straightaway
- streak
- striation
- strip
- stripe
- striping
- stroke
- tangent
- thwart
- underline
- underscore
- vector
- virgule
