# Types Module

The types module provides type definitions and constants used throughout the TTFEMesh library.

## Type Definitions

### `TensorTrain`
Type alias for tensor train representations.

### `TensorTrainMatrix`
Type alias for tensor train matrix representations.

### `SubdomainIndex`
Type alias for subdomain indices.

### `CurveIndex`
Type alias for curve indices.

### `VertexIndex`
Type alias for vertex indices.

### `QuadraturePoint`
Type alias for quadrature points.

### `BasisFunction`
Type alias for basis functions.

## Constants

### `DEFAULT_MESH_SIZE_EXPONENT`
Default value for mesh size exponent (3).

### `DEFAULT_QUADRATURE_ORDER`
Default value for quadrature order (1).

## Related Modules

- [Mesh](mesh.md) - For mesh-related types and constants
- [Basis](basis.md) - For basis function types
- [Quadrature](quadrature.md) - For quadrature-related types