Kobudo is a generic name which refers to the systematized Japanese traditional martial arts to fight without arms or with arms like dull weapons, cutting tools, firearms, and so on (kobudo is sometimes called koryubujutsu, kobujutsu, etc. which have almost the same meaning as kobudo).
古武道（こぶどう）（古流武術、古武術等もほぼ同義）とは、日本の伝統的な、徒手もしくは鈍器や刃物、火器などの武器による闘いのための技術を体系化したものの総称。