# [Ride v4 and v3] Common structures
⚠️ This is the documentation for the Standard library version 4 and 3. We recommend to use version 6. Go to version 6
| Name | Description |
|---|---|
| Address | Account address |
| Alias | Alias |
| Asset | Token info |
| AssetPair | Pair of tokens in an order |
| AttachedPayment | Payment in an Invoke Script transaction |
| BalanceDetails | Account balance in WAVES |
| BlockInfo | Block header |
| Invocation | Invoke Script transaction fields that are available to a callable function |
| Order | Order |
| Transfer | Transfer in Mass Transfer Transaction structure |