1. 釈放条項が守られる限り囚人が残りの義務を刑務所の外で過ごせる権利を与える服役からの条件付き釈放(a conditional release from imprisonment that entitles the person to serve the remainder of the sentence outside the prison as long as the terms of release are complied with)
2. 限られた集団にみに知られる秘密の単語または句(a secret word or phrase known only to a restricted group)