1. What is the difference between free and bound word combinations?

light supper—non-motivated meaning a light evening meal
light artillery-motivated “guns and howitzers of no more than 105-millimeter caliber.”
Blue funk-non- “ a state of great fear or panic."are you in a blue funk about running out of things to say?"
blue skirt- motivated. Short meaning: a dream about blue skirt may attest well-being, fellow-feeling and fellow-feeling.
blue fox-motivated.” 1a : a color phase of the arctic fox in which the coat remains blue gray in winter. B : the typical arctic fox in summer pelage. C : the pelt or fur of one of these foxes often imitated by dyeing white fox pelts.”
Big cheese-motivated/non-motovated meaning an important person
Swiss cheese-motivated,” Cheese from Switzerland, typically containing large holes.”
white cheese-motivated “A solid food prepared from the pressed curd of milk, often seasoned and aged.”
Big boy-motivated “1A boy who is relatively old or mature; (also) a boy who is old enough to look after himself or to cope with adult experiences (also (informal) used ironically, of a man). 2 informal A form of address for a man, especially indicating familiarity or approval.”
big money-non-motivated meaning large amounts of money.
big talk-non/motivated meaning exaggerated,showy or boastful speech
Angry tone-motivated “feeling or expressing annoyance, animosity, or resentment; enraged.”
high tone-motivated “high in social,moral or intellectual quality”
mental tone-non/motivated meaning a particular mental state or disposition, spirit, character,or tenor.