An indictment is a written accusation of crime, prepared by the attorney for the Commonwealth and returned "a true bill" upon the oath or affirmation of a legally impanelled grand jury.
A presentment is a written accusation of crime prepared and returned by a grand jury from their own knowledge or observation, without any bill of indictment laid before them.
An information is a written accusation of crime or a complaint for forfeiture of property or money or for imposition of a penalty, prepared and presented by a competent public official upon his oath of office.