Dimension (vector space): Mathematics, Cardinal Number, Vector Space, Basis (linear algebra)

Row Vector: Linear Algebra, Matrix (Mathematics), Transpose, Column Vector, Vector Space, Dual Space

Cone (linear algebra): Linear Algebra, Subset, Vector Space, Closed (mathematics)

Quotient Space (linear algebra): Linear Algebra, Vector

Orthonormal Basis: Inner Product Space, Vector Unit Vector, Basis (Linear Algebra), Hamel...