"variations" - key terms from Wikipedia

calculus of variations
chorale variations
cultural variations
daniel variations
different variations	of his signature
eccentricity variations
enigma variations
genetic variations
goldberg variations
gumbo variations
magnetic variations
many variations
military variations
mule variations
orbital variations
other variations
piano variations
possible variations
practice variations
previous variations
refinements and variations
regional variations
regional variations	of barbecue
scoring variations
seasonal variations
solar variations
some variations
variations
variations	across different versions
variations	and fugue
variations	due
variations	for orchestra
variations	for winds
variations	from the mobile suit
variations	occur
variations	of magenta
variations	of mahjong
variations	of singles matches
variations	of the field
variations	of the ruy lopez
variations	on a shaker hymn
variations	on a theme
variations	on the birthday
winter variations