---
title: Core Text Structures
framework: Core Text
role: collectionGroup
role_heading: API Collection
path: coretext/core-text-structures
---

# Core Text Structures

## Topics

### Structures

- [CTLineBoundsOptions](coretext/ctlineboundsoptions.md)
- [LtagStringRange](coretext/ltagstringrange.md)
- [LtagTable](coretext/ltagtable.md)
- [SFNTLookupVectorHeader](coretext/sfntlookupvectorheader.md)

## See Also

### Reference

- [Styling Attributed Strings](coretext/styling-attributed-strings.md)
- [Core Text Enumerations](coretext/core-text-enumerations.md)
- [Core Text Constants](coretext/core-text-constants.md)
- [Core Text Functions](coretext/core-text-functions.md)
- [Core Text Data Types](coretext/core-text-data-types.md)
- [SFNT Support](coretext/sfnt-support.md)