Yes, we're using two hypothetical planets "Hot" and "Cold" known for being extreme in temperature to try to determine what sensory experience and cognitive processing might say about a best-naming scheme. Hopefully, if we could pin down at least this little example in a way that is satisfactory to us, a little light might shine on other examples. Temperature is not really the focus, in fact it may be a terrible way to describe a planet. But its consideration could say something important about language, memory, and sense.