Matrix3x2 Represents a 3x2 matrix.

 Matrix4x4 Represents a 4x4 matrix.

 Plane Represents a three-dimensional plane.

 Quaternion Represents a vector that is used to encode three-dimensional physical rotations.

 Vector`1 Represents a single vector of a specified numeric type that is suitable for low-level optimization of parallel algorithms.

 Vector2 Represents a vector with two single-precision floating-point values.

 Vector3 Represents a vector with three single-precision floating-point values.

 Vector4 Represents a vector with four single-precision floating-point values.

 Vector Provides a collection of static convenience methods for creating, manipulating, combining, and converting generic vectors.