Looks like no one added any tags here yet for you.
T
change in tatses/preferences
R
change in price of related goods
substitute
goods that are interchangeable
complement
goods that are often used together
I
change in income
normal goods
goods for which an increase in income leads to an increased demand
inferior goods
goods to which an increased income leads to a decreased demand
B
change in number of buyers
e
change in consumer expectations about future price, quality, availability