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# Foundation Enumerations

## Topics

### Enumerations

[`enum NSGrammaticalCase`](/documentation/Foundation/NSGrammaticalCase)

[`enum NSGrammaticalDefiniteness`](/documentation/Foundation/NSGrammaticalDefiniteness)

[`enum NSGrammaticalDetermination`](/documentation/Foundation/NSGrammaticalDetermination)

[`enum NSGrammaticalPerson`](/documentation/Foundation/NSGrammaticalPerson)

[`enum NSGrammaticalPronounType`](/documentation/Foundation/NSGrammaticalPronounType)

[`enum NSKeyValueChange`](/documentation/Foundation/NSKeyValueChange)

The kinds of changes that can be observed.

[`struct NSKeyValueObservingOptions`](/documentation/Foundation/NSKeyValueObservingOptions)

The values that can be returned in a change dictionary.

[`enum NSKeyValueSetMutationKind`](/documentation/Foundation/NSKeyValueSetMutationKind)

[`enum NSPresentationIntentKind : NSInteger;`](/documentation/Foundation/NSPresentationIntentKind)

An enumeration of intended display styles for blocks of text like paragraphs, lists, and code blocks.


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