spec/index.md

# Simple Extensible Notation (SEN)

## Primitive Types

| name   | description                |
| ------ | -------------------------- |
| `atom` | Represents a literal thing |
| `real` | Represents a real number   |
| `text` | Represents text            |

### Atom Type

### Real Type

### Text Type

## Structured Types

| name  | description           |
| ----- | --------------------- |
| `tag` | A tagged structure    |
| `seq` | A sequence structure  |
| `map` | A key-value structure |

### Tag Type

### Seq Type

### Map Type