WAssouad dimension
WBall (mathematics)
WCauchy sequence
WCayley–Klein metric
WChebyshev distance
WClassical Wiener space
WConvex metric space
WCurve
WDanzer set
WDelone set
WElliptic geometry
WEuclidean distance
WGreat-circle distance
WHamming distance
WHausdorff dimension
WHutchinson metric
WHyperbolic group
WIsometry
WMetric (mathematics)
WMotion (geometry)
WQuasi-isometry
WReal-valued function
WRiemannian circle
WTaxicab geometry
WTight span
WTriangle inequality