I believe we are mincing words with the added confusion of two mathematical meanings for the word vertex in this discussion. The single row matrix, called a ve

I believe we are mincing words with the added confusion of two mathematical meanings for the word vertex in this discussion. The single row matrix, called a vertex, and a Euclidean vertex which we use to represent the points in the geometry, and happen to store in a vertex (matrix). I do agree with your statement.