helix

braid tendril

bight circle convolution corkscrew curlicue gyration involution lap loop ring roll scroll spiral turn twine twirl twist whorl wind

line

coil complexity contortion curlicue gyration intricacy involution sinuosity sinuousness swirl tortuousness twist undulation winding

coiling flexing serpentine snaking

line straightness

arc arch contour loop trajectory

ambit bend bight bow camber catenary chord circle circuit circumference compass concavity crook curlicue curvature ellipse festoon flexure hairpin half-moon horseshoe hyperbola incurvation incurvature meniscus ogee parabola quirk round sinuosity sweep swerve turn vault whorl

curvation rondure

line

screw tangle

bond braid bunch coil connection contortion entanglement gnarl hitch joint kink ligament ligature link mat nexus perplexity rosette snag snarl spiral splice tie twirl twist warp whirl whorl yoke

vinculum

coil corkscrew curlicue flourish gyration gyre quirk screw volute whorl

curve flourish

arc bend braid coil convolution curlicue hank jerk meander plug ply pull roll spiral swivel torsion turn twine undulation warp wind wrench yank zigzag

line

coil corkscrew curl eddy swirl twirl twist vortex whirlpool