"intervals" - key terms from Wikipedia

adjustment intervals
chromatic intervals
confidence intervals
constructing confidence intervals
drain intervals
dyadic intervals
eleven sets of galactic intervals
firing intervals
ft intervals
galactic intervals	ornamental lightyears tracery
gram intervals
intervals
intervals	and moments of clarity
intervals	are so called because
intervals	become
intervals	between
intervals	may be described
intervals	of length
lucid intervals	and moments
musical intervals
nested intervals
nested intervals	theorem
open intervals
other intervals
perfect intervals
periodic intervals
qtc intervals
regular intervals
sets of galactic intervals	ornamental
spacetime intervals
unbounded intervals