When the court itself take cognisance of the matter for hearing. It is a situation when the court or the government takes initiative to address the problem.
A bill of costs is a statement of the number of costs incurred while defending or bringing a lawsuit.
Bond is a formal written agreement made amongst the parties to perform a certain act or stop from doing an act.
Binding precedent are those judgments, decisions or judicial precedents which all the lower courts have to follow.