| A | B |
| Dimension/s | a measurable extent of a particular kind, such as length, breadth, depth, or height |
| Extremities | the furthest point or limit of something |
| Span | the full extent of something from end to end; the amount of space that something covers |
| External | belonging to or forming the outer surface or structure of something |
| Inclined | leaning or turning away from the vertical or horizontal; sloping |
| Out of plumb | not exactly vertical |
| Wingspan | the maximum extent across the wings of an aircraft or of a bird or other flying animal, measured from tip to tip |
| Plane | a flat surface on which a straight line joining any two points on it would wholly lie |
| Internal | of or situated on the inside |
| Thickness | the distance through an object, as distinct from width or heigh |