"Paying the mortgage," while not technically precise, is a common colloquial usage for meeting one's financial obligation with regard to a housing purchase. Did you not understand what she meant?
I understood what was meant. My point is that there is so much confusion over these issues, we should be using the correct terms in order to reduce the amount of confusion. There have been MANY posts and MANY news articles that have added to the confusion by saying this and that when they should have been saying that and this.