diff --git a/foamlib/_files/_files.py b/foamlib/_files/_files.py
index 5053673..6b87cb1 100644
--- a/foamlib/_files/_files.py
+++ b/foamlib/_files/_files.py
@@ -19,10 +19,10 @@
 from ._serialization import Kind, dumps, normalize
 from ._types import (
     Data,
-    DataEntry,
     Dict_,
     Dimensioned,
     DimensionSet,
+    Entry,
     Field,
     File,
     MutableData,
@@ -57,13 +57,13 @@ def __init__(self, _file: FoamFile, _keywords: tuple[str, ...]) -> None:
             self._file = _file
             self._keywords = _keywords
 
-        def __getitem__(self, keyword: str) -> DataEntry | FoamFile.SubDict:
+        def __getitem__(self, keyword: str) -> Data | FoamFile.SubDict:
             return self._file[(*self._keywords, keyword)]
 
         def __setitem__(
             self,
             keyword: str,
-            data: Data,
+            data: Entry,
         ) -> None:
             self._file[(*self._keywords, keyword)] = data
 
@@ -174,7 +174,7 @@ def object_(self, value: str) -> None:
 
     def __getitem__(
         self, keywords: str | tuple[str, ...] | None
-    ) -> DataEntry | FoamFile.SubDict:
+    ) -> Data | FoamFile.SubDict:
         if not keywords:
             keywords = ()
         elif not isinstance(keywords, tuple):
@@ -190,7 +190,7 @@ def __getitem__(
             return FoamFile.SubDict(self, keywords)
         return deepcopy(value)
 
-    def __setitem__(self, keywords: str | tuple[str, ...] | None, data: Data) -> None:
+    def __setitem__(self, keywords: str | tuple[str, ...] | None, data: Entry) -> None:
         if not keywords:
             keywords = ()
         elif not isinstance(keywords, tuple):
@@ -438,7 +438,7 @@ def value(self) -> None:
 
     def __getitem__(
         self, keywords: str | tuple[str, ...] | None
-    ) -> DataEntry | FoamFile.SubDict:
+    ) -> Data | FoamFile.SubDict:
         if not keywords:
             keywords = ()
         elif not isinstance(keywords, tuple):
diff --git a/foamlib/_files/_parsing.py b/foamlib/_files/_parsing.py
index 6e31bd5..1cdcdfa 100644
--- a/foamlib/_files/_parsing.py
+++ b/foamlib/_files/_parsing.py
@@ -37,7 +37,7 @@
     printables,
 )
 
-from ._types import DataEntry, Dimensioned, DimensionSet, File
+from ._types import Data, Dimensioned, DimensionSet, File
 
 
 def _list_of(entry: ParserElement) -> ParserElement:
@@ -332,11 +332,11 @@ def _unpack_binary_field(
 )
 
 
-class Parsed(Mapping[Tuple[str, ...], Union[DataEntry, EllipsisType]]):
+class Parsed(Mapping[Tuple[str, ...], Union[Data, EllipsisType]]):
     def __init__(self, contents: bytes) -> None:
         self._parsed: MutableMapping[
             tuple[str, ...],
-            tuple[int, DataEntry | EllipsisType, int],
+            tuple[int, Data | EllipsisType, int],
         ] = {}
         for parse_result in _FILE.parse_string(
             contents.decode("latin-1"), parse_all=True
@@ -349,10 +349,10 @@ def __init__(self, contents: bytes) -> None:
     @staticmethod
     def _flatten_result(
         parse_result: ParseResults, *, _keywords: tuple[str, ...] = ()
-    ) -> Mapping[tuple[str, ...], tuple[int, DataEntry | EllipsisType, int]]:
+    ) -> Mapping[tuple[str, ...], tuple[int, Data | EllipsisType, int]]:
         ret: MutableMapping[
             tuple[str, ...],
-            tuple[int, DataEntry | EllipsisType, int],
+            tuple[int, Data | EllipsisType, int],
         ] = {}
         start = parse_result.locn_start
         assert isinstance(start, int)
@@ -379,14 +379,14 @@ def _flatten_result(
                     ret[(*_keywords, keyword)] = (start, d, end)
         return ret
 
-    def __getitem__(self, keywords: tuple[str, ...]) -> DataEntry | EllipsisType:
+    def __getitem__(self, keywords: tuple[str, ...]) -> Data | EllipsisType:
         _, data, _ = self._parsed[keywords]
         return data
 
     def put(
         self,
         keywords: tuple[str, ...],
-        data: DataEntry | EllipsisType,
+        data: Data | EllipsisType,
         content: bytes,
     ) -> None:
         start, end = self.entry_location(keywords, missing_ok=True)
diff --git a/foamlib/_files/_serialization.py b/foamlib/_files/_serialization.py
index bc06ab3..1250bb4 100644
--- a/foamlib/_files/_serialization.py
+++ b/foamlib/_files/_serialization.py
@@ -12,7 +12,7 @@
     from typing import Mapping, Sequence
 
 from ._parsing import DATA, KEYWORD
-from ._types import Data, DataEntry, Dimensioned, DimensionSet
+from ._types import Data, Dimensioned, DimensionSet, Entry
 from ._util import is_sequence
 
 try:
@@ -34,14 +34,14 @@ class Kind(Enum):
 
 
 @overload
-def normalize(data: DataEntry, *, kind: Kind = Kind.DEFAULT) -> DataEntry: ...
+def normalize(data: Data, *, kind: Kind = Kind.DEFAULT) -> Data: ...
 
 
 @overload
-def normalize(data: Data, *, kind: Kind = Kind.DEFAULT) -> Data: ...
+def normalize(data: Entry, *, kind: Kind = Kind.DEFAULT) -> Entry: ...
 
 
-def normalize(data: Data, *, kind: Kind = Kind.DEFAULT) -> Data:
+def normalize(data: Entry, *, kind: Kind = Kind.DEFAULT) -> Entry:
     if numpy and isinstance(data, np.ndarray):
         ret = data.tolist()
         assert isinstance(ret, list)
@@ -76,7 +76,7 @@ def normalize(data: Data, *, kind: Kind = Kind.DEFAULT) -> Data:
             assert isinstance(data, str)
             return data
 
-        return cast(DataEntry, DATA.parse_string(data, parse_all=True)[0])
+        return cast(Data, DATA.parse_string(data, parse_all=True)[0])
 
     if isinstance(
         data,
@@ -89,7 +89,7 @@ def normalize(data: Data, *, kind: Kind = Kind.DEFAULT) -> Data:
 
 
 def dumps(
-    data: Data,
+    data: Entry,
     *,
     kind: Kind = Kind.DEFAULT,
 ) -> bytes:
diff --git a/foamlib/_files/_types.py b/foamlib/_files/_types.py
index 6dffa30..4c2b0f2 100644
--- a/foamlib/_files/_types.py
+++ b/foamlib/_files/_types.py
@@ -46,33 +46,36 @@ def __post_init__(self) -> None:
 
 
 Field = Union[
-    Tensor, Sequence[Tensor], "np.ndarray[Tuple[int, int], np.dtype[np.generic]]"
+    Tensor,
+    Sequence[Tensor],
+    "np.ndarray[Tuple[int], np.dtype[np.generic]]",
+    "np.ndarray[Tuple[int, int], np.dtype[np.generic]]",
 ]
 
-DataEntry = Union[
+Data = Union[
     str,
     int,
     float,
     bool,
     Dimensioned,
     DimensionSet,
-    Sequence["Data"],
+    Sequence["Entry"],
     Tensor,
     Field,
 ]
 
-Data = Union[
-    DataEntry,
-    Mapping[str, "Data"],
+Entry = Union[
+    Data,
+    Mapping[str, "Entry"],
 ]
 """
 A value that can be stored in an OpenFOAM file.
 """
 
 MutableData = Union[
-    DataEntry,
+    Data,
     MutableMapping[str, "MutableData"],
 ]
 
-Dict_ = Dict[str, Union["Data", "Dict_"]]
-File = Dict[Optional[str], Union["Data", "Dict_"]]
+Dict_ = Dict[str, Union["Entry", "Dict_"]]
+File = Dict[Optional[str], Union["Entry", "Dict_"]]
diff --git a/foamlib/_files/_util.py b/foamlib/_files/_util.py
index 5ce32ff..d7da07d 100644
--- a/foamlib/_files/_util.py
+++ b/foamlib/_files/_util.py
@@ -14,10 +14,10 @@
     from typing_extensions import TypeGuard
 
 if TYPE_CHECKING:
-    from ._types import Data
+    from ._types import Entry
 
 
 def is_sequence(
-    value: Data,
-) -> TypeGuard[Sequence[Data]]:
+    value: Entry,
+) -> TypeGuard[Sequence[Entry]]:
     return isinstance(value, Sequence) and not isinstance(value, str)