外郭団体【がいかくだんたい】
auxiliary organization (organisation), extra-departmental body, fringe organization
輪郭【りんかく】
contour, outline, silhouette, summary, outline, sketch, looks, features
外郭【がいかく】
outer fence, outer enclosure, outer block, outline, contour
城郭【じょうかく】
castle, citadel, fortress, castle walls, enclosure