Answer:
Being able to interpret the letters on this screen proves that you have this quality.
What is often returned, but never borrowed/
What English word retains the same pronunciation, even after you take away four of its five letters?
What can you share and still have all for yourself?
What I am filled, I can point the way. When I am empty. Nothing moves me. I have two skins. One without and one within.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?