diff --git a/shimmer/__init__.py b/shimmer/__init__.py
index cfc082e9..3f3e7bdb 100644
--- a/shimmer/__init__.py
+++ b/shimmer/__init__.py
@@ -30,12 +30,20 @@
 from shimmer.modules.losses import (
     GWLosses,
     GWLossesBase,
-    LatentsDomainGroupT,
-    LatentsT,
     LossCoefs,
     VariationalGWLosses,
     VariationalLossCoefs,
 )
+from shimmer.types import (
+    LatentsDomainGroupDT,
+    LatentsDomainGroupsDT,
+    LatentsDomainGroupsT,
+    LatentsDomainGroupT,
+    RawDomainGroupDT,
+    RawDomainGroupsDT,
+    RawDomainGroupsT,
+    RawDomainGroupT,
+)
 from shimmer.version import __version__
 
 __all__ = [
@@ -60,10 +68,8 @@
     "ContrastiveLossWithUncertainty",
     "contrastive_loss",
     "contrastive_loss_with_uncertainty",
-    "LatentsT",
     "LossCoefs",
     "VariationalLossCoefs",
-    "LatentsDomainGroupT",
     "GWLosses",
     "GWLossesBase",
     "VariationalGWLosses",
@@ -74,4 +80,12 @@
     "GWPredictions",
     "pretrained_global_workspace",
     "RepeatedDataset",
+    "LatentsDomainGroupDT",
+    "LatentsDomainGroupsDT",
+    "LatentsDomainGroupsT",
+    "LatentsDomainGroupT",
+    "RawDomainGroupDT",
+    "RawDomainGroupsDT",
+    "RawDomainGroupsT",
+    "RawDomainGroupT",
 ]
diff --git a/shimmer/modules/__init__.py b/shimmer/modules/__init__.py
index 3191fbf2..29801681 100644
--- a/shimmer/modules/__init__.py
+++ b/shimmer/modules/__init__.py
@@ -29,8 +29,8 @@
 from shimmer.modules.losses import (
     GWLosses,
     GWLossesBase,
+    LatentsDomainGroupsT,
     LatentsDomainGroupT,
-    LatentsT,
     LossCoefs,
     VariationalGWLosses,
     VariationalLossCoefs,
@@ -55,7 +55,7 @@
     "ContrastiveLossWithUncertainty",
     "contrastive_loss",
     "contrastive_loss_with_uncertainty",
-    "LatentsT",
+    "LatentsDomainGroupsT",
     "LossCoefs",
     "VariationalLossCoefs",
     "LatentsDomainGroupT",
diff --git a/shimmer/modules/global_workspace.py b/shimmer/modules/global_workspace.py
index 3035c859..ce1eef1a 100644
--- a/shimmer/modules/global_workspace.py
+++ b/shimmer/modules/global_workspace.py
@@ -26,15 +26,17 @@
     GWLosses,
     GWLossesBase,
     GWLossesFusion,
+    LossCoefs,
+    VariationalGWLosses,
+    VariationalLossCoefs,
+)
+from shimmer.types import (
     LatentsDomainGroupsDT,
     LatentsDomainGroupsT,
     LatentsDomainGroupT,
-    LossCoefs,
     RawDomainGroupsDT,
     RawDomainGroupsT,
     RawDomainGroupT,
-    VariationalGWLosses,
-    VariationalLossCoefs,
 )
 
 
diff --git a/shimmer/modules/gw_module.py b/shimmer/modules/gw_module.py
index 9cab1dfa..ffdb5322 100644
--- a/shimmer/modules/gw_module.py
+++ b/shimmer/modules/gw_module.py
@@ -6,8 +6,8 @@
 from torch import nn
 
 from shimmer.modules.domain import DomainModule
-from shimmer.modules.losses import LatentsDomainGroupT
 from shimmer.modules.vae import reparameterize
+from shimmer.types import LatentsDomainGroupT
 
 
 def get_n_layers(n_layers: int, hidden_dim: int) -> list[nn.Module]:
@@ -381,6 +381,17 @@ def __init__(
         decoder_hidden_dim: int,
         decoder_n_layers: int,
     ) -> None:
+        """
+        Initialized the interface.
+
+        Args:
+            domain_module (`DomainModule`): Domain module to link.
+            workspace_dim (`int`): dimension of the GW.
+            encoder_hidden_dim (`int`): `hidden_dim` used for `GWEncoder`.
+            encoder_n_layers (`int`): `n_layers` used for `GWEncoder`.
+            decoder_hidden_dim (`int`): `hidden_dim` used for `GWDecoder`.
+            decoder_n_layers (`int`): `n_layers` used for `GWDecoder`.
+        """
         super().__init__(domain_module, workspace_dim)
 
         self.encoder = GWEncoder(
@@ -389,12 +400,15 @@ def __init__(
             workspace_dim,
             encoder_n_layers,
         )
+        """The interface encoder"""
+
         self.decoder = GWDecoder(
             workspace_dim,
             decoder_hidden_dim,
             domain_module.latent_dim,
             decoder_n_layers,
         )
+        """The interface decoder"""
 
     def encode(self, x: torch.Tensor) -> torch.Tensor:
         return self.encoder(x)
diff --git a/shimmer/modules/losses.py b/shimmer/modules/losses.py
index 88d835e4..22f70f2f 100644
--- a/shimmer/modules/losses.py
+++ b/shimmer/modules/losses.py
@@ -1,6 +1,5 @@
 from abc import ABC, abstractmethod
-from collections.abc import Mapping
-from typing import Any, TypedDict
+from typing import TypedDict
 
 import torch
 import torch.nn.functional as F
@@ -9,47 +8,7 @@
 from shimmer.modules.domain import DomainModule, LossOutput
 from shimmer.modules.gw_module import GWModule, GWModuleBase, VariationalGWModule
 from shimmer.modules.vae import kl_divergence_loss
-
-RawDomainGroupT = Mapping[str, Any]
-"""Matched raw unimodal data from multiple domains.
-Keys of the mapping are domains names."""
-
-RawDomainGroupDT = dict[str, Any]
-"""Matched raw unimodal data from multiple domains.
-Keys of the dict are domains names.
-
-This is a more specific version of `RawDomainGroupT` used in method's outputs."""
-
-LatentsDomainGroupT = Mapping[str, torch.Tensor]
-"""Matched unimodal latent representations from multiple domains.
-Keys of the mapping are domains names."""
-
-LatentsDomainGroupDT = dict[str, torch.Tensor]
-"""Matched unimodal latent representations from multiple domains.
-Keys of the dict are domains names.
-
-This is a more specific version of `LatentsDomainGroupT` used in method's outputs."""
-
-LatentsDomainGroupsT = Mapping[frozenset[str], LatentsDomainGroupT]
-"""Mapping of `LatentsDomainGroupT`. Keys are frozenset of domains matched in the group.
-Each group is independent and contains different data (unpaired)."""
-
-LatentsDomainGroupsDT = dict[frozenset[str], LatentsDomainGroupDT]
-"""Mapping of `LatentsDomainGroupDT`.
-Keys are frozenset of domains matched in the group.
-Each group is independent and contains different data (unpaired).
-
-This is a more specific version of `LatentsDomainGroupsT` used in method's outputs."""
-
-RawDomainGroupsT = Mapping[frozenset[str], RawDomainGroupT]
-"""Mapping of `RawDomainGroupT`. Keys are frozenset of domains matched in the group.
-Each group is independent and contains different data (unpaired)."""
-
-RawDomainGroupsDT = dict[frozenset[str], RawDomainGroupDT]
-"""Mapping of `RawDomainGroupT`. Keys are frozenset of domains matched in the group.
-Each group is independent and contains different data (unpaired).
-
-This is a more specific version of `RawDomainGroupsT` used in method's outputs."""
+from shimmer.types import LatentsDomainGroupsT
 
 
 class GWLossesBase(torch.nn.Module, ABC):
diff --git a/shimmer/types.py b/shimmer/types.py
new file mode 100644
index 00000000..f6c41621
--- /dev/null
+++ b/shimmer/types.py
@@ -0,0 +1,45 @@
+from collections.abc import Mapping
+from typing import Any
+
+import torch
+
+RawDomainGroupT = Mapping[str, Any]
+"""Matched raw unimodal data from multiple domains.
+Keys of the mapping are domains names."""
+
+RawDomainGroupDT = dict[str, Any]
+"""Matched raw unimodal data from multiple domains.
+Keys of the dict are domains names.
+
+This is a more specific version of `RawDomainGroupT` used in method's outputs."""
+
+LatentsDomainGroupT = Mapping[str, torch.Tensor]
+"""Matched unimodal latent representations from multiple domains.
+Keys of the mapping are domains names."""
+
+LatentsDomainGroupDT = dict[str, torch.Tensor]
+"""Matched unimodal latent representations from multiple domains.
+Keys of the dict are domains names.
+
+This is a more specific version of `LatentsDomainGroupT` used in method's outputs."""
+
+LatentsDomainGroupsT = Mapping[frozenset[str], LatentsDomainGroupT]
+"""Mapping of `LatentsDomainGroupT`. Keys are frozenset of domains matched in the group.
+Each group is independent and contains different data (unpaired)."""
+
+LatentsDomainGroupsDT = dict[frozenset[str], LatentsDomainGroupDT]
+"""Mapping of `LatentsDomainGroupDT`.
+Keys are frozenset of domains matched in the group.
+Each group is independent and contains different data (unpaired).
+
+This is a more specific version of `LatentsDomainGroupsT` used in method's outputs."""
+
+RawDomainGroupsT = Mapping[frozenset[str], RawDomainGroupT]
+"""Mapping of `RawDomainGroupT`. Keys are frozenset of domains matched in the group.
+Each group is independent and contains different data (unpaired)."""
+
+RawDomainGroupsDT = dict[frozenset[str], RawDomainGroupDT]
+"""Mapping of `RawDomainGroupT`. Keys are frozenset of domains matched in the group.
+Each group is independent and contains different data (unpaired).
+
+This is a more specific version of `RawDomainGroupsT` used in method's outputs."""