Intransitive verbs are action verbs but unlike transitive verbs, they do not have an object receiving the action. Notice there are no words after the verb sang. More examples of intransitive verbs: I laughed.
DEFINITION of 'Business Judgment Rule'. A regulation that helps to make sure a corporation's board of directors is protected from misleading allegations about the way it conducts business. Unless it is apparent that the board of directors has blatantly violated some major rule of conduct, the courts will not review or question its decisions or dealings.
A solid business case leads to well-informed decisions that are most appropriate in a given business setting, while the one that fails to provide adequate level of detail, or disregards relevant data, or makes incorrect inferences, or does any number of other things wrong, leads to suboptimal decisions that are very expensive to any organization, in terms of the time, money and lost opportunities.