子こ順じゅん序じょ番ばん号ごうMeaningsNoun1. child-sequence-numberKanji used子child順sequence序preface番place in a series号ID numberComposed of子こchild; kid; teenager; youngster; young (non-adult) person; (one's) child; offspring; young woman; young (animal); offshoot; …Noun順じゅん序じょorder; sequence; procedureNoun番ばん号ごうnumber; series of digitsNoun