===== Two-suited structure =====

The structure is relevant for all relay actions when the described hand has shown an explicit (or implicit) structure. Examples:

| 1♣      | 1♥ | 4+♠         |
| 1♠ (R)  | 2♣ | 2SUIT ♦ + ♠ |
or
| 1♥     | 1♠ (R) | 4+♠         |
| 2♣     | 2♦ (R) | 2SUIT ♦ + ♠ |

==== Structure ====
^ Bid   ^ Meaning                                                                     ||||
| 2♦    | Relay, entry point                                                          ||||
| 2♥    | Reverser. Exactly 4 cards in higher suit, 5+ cards in lower                 ||||
| 2♠    | 5-5                            || Relay back to first column.             ||
| 2NT   | High shortage  | Relay          |||
| 3♣    | 5422           | High shortage  | Relay back to first column.             ||
| 3♦    | 5431           | (65)11         |||
| 3♥    | 6421           | 5521           |||
| 3♠    | 6430           | 5530           |||
| 3NT   | 7420           | 5620           |||
| 4♣    | 7411           | 6520           |||

==== Relay breaks ====

=== Relay breaks at first opportunity ===