“<...> First, what does ‘K-PAX’ mean?”
<...>“ ‘K’ is the highest class of PLANET, the last step in the evolutionary process, the point of perfect peace and stability. ‘PAX’ means ‘a place of purple plains and mountains.’ “
“Because of your red and blue suns.”
He relaxed again. “Bingo!”
“So ‘B-TIK,’ what we call Earth, is the second lowest type?”
“Kee-reck. You don’t want to know about the ‘A’ category.”
“Why not?”
“Those are WORLDS already destroyed by their own inhabitants. Before that they were ‘B’s.”
“I see. And ‘TIK’ means—?”
“Beautiful blue water dotted with white clouds.”
“Ah, I get it.”