| level(noun, order, area, position, thing) |
| layer(noun, view, slip, piece, level) |
| rank(noun, order, area, position, level) |
| bed(noun, level, film, coat) |
| class(noun, order, place, area, position) |
| grade(noun, order, place, position, level) |
| seam(noun, level, film, nerve) |
| course(noun, level, coat, stage) |
| order(noun, level, rank, class) |
| floor(noun, film, coat, stage) |
| stage(noun, level, plane, layer) |
| story(noun, level, film, coat) |
| tier(noun, place, position, level, circle) |
| band(noun, level, film, coat) |
| echelon(noun, order, position, level, rank) |
| zone(noun, area, subject, field, film) |
| category(level, rank, class, segment) |
| group(level, stage) |
| step(noun, level, stage) |
| grouping(level, stage) |