---
title: Data Types
framework: appkit
role: collectionGroup
role_heading: API Collection
path: appkit/data-types
---

# Data Types

Data types for use with multiple classes.

## Topics

### Data Types

- [NSFont.Width](appkit/nsfont/width.md)
- [NSToolbarUserInfoKey](appkit/nstoolbaruserinfokey.md)

## See Also

### Reference

- [Enumerations](appkit/enumerations.md)
- [Constants](appkit/constants.md)
- [Macros](appkit/macros.md)