1) The word "voor" is borrowed from an Arthur Machen story. I needed a Cthulhu mythos term for the life force -- what's called prana in Sanskrit, ki in Japanese, ruach in Hebrew, pneuma in Greek, spiritus in Latin, and other names in every other language on Earth except the languages of the industrial nations of the modern West.

2) That is confusing, isn't it? One week minimum, 3-5 weeks maximum.

3) I think you're quite correct.