What constitutes "fair use" for which compensation need not be paid?

"The whole question of what constitutes fair use is quite confused," she said.

The challenges have some record-company lawyers thinking anew about what constitutes fair use of artists' material.

How does that constitute good use of public funds?

The use of these short clips is believed to constitute fair use.

In that role he advised a congressional committee on the 1976 Copyright law about what constituted "fair use" of copyrighted materials.

And while some professional business activity is permitted, they said, day-care does not constitute professional use.

But what constitutes 'regular use' is still a bit of a grey area.

Did that well-placed call constitute excessive use of family influence?

The question has been raised, also, whether beating the garment with a stick constitutes use of a "particular machine."