Think in terms of projections. Take a piece of paper. Poke holes in it to make the word “TEXT.” Face the front of it to the mirror - it’s reversed in the refl

Think in terms of projections. Take a piece of paper. Poke holes in it to make the word “TEXT.” Face the front of it to the mirror - it’s reversed in the reflection, but in a way that matches the backside of the paper. Hole for hole, they are projecting onto the mirror surface. What you see is the result of that.