How exactly do we specify an arrow in \(\RNrSpc{n}\)? For example, the graphic below shows two arrows:
- The arrow \(\Arrow{P}{Q}\) in \(\RNrSpc{2}\), with \(P(-4,1)\) and \(Q(2,3)\).
- The arrow \(\Arrow{S}{T}\) in \(\RNrSpc{2}\), with \(S(5,5)\) and \(T(-4,-5)\).
