<Li> 410 is the volume number of the "reporter" that reported the Court's written opinion in the case titled Roe v. Wade . </Li> <Li> U.S. is the abbreviation of the reporter, or printed book of court opinions . Here, "U.S." stands for United States Reports . </Li> <Li> 113 is the page number (in volume 410 of United States Reports) where the opinion begins . </Li> <Li> 1973 is the year when the court rendered its decision . </Li>

By what means are cases heard at the supreme court