Answer:
Being able to interpret the letters on this screen proves that you have this quality.
Feed me and I live, give me drink and I die.
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from noah's ark won quick release.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?