diff --git a/packages/fabric/domain/events/event-store.ts b/packages/fabric/domain/events/event-store.ts
index b747c1d..3952fd0 100644
--- a/packages/fabric/domain/events/event-store.ts
+++ b/packages/fabric/domain/events/event-store.ts
@@ -7,10 +7,10 @@ import type {
   VariantTag,
 } from "@fabric/core";
 import type { StoreQueryError } from "../errors/query-error.ts";
-import type { Event } from "./event.ts";
+import type { DomainEvent } from "./event.ts";
 import type { StoredEvent } from "./stored-event.ts";
 
-export interface EventStore<TEvents extends Event> {
+export interface EventStore<TEvents extends DomainEvent> {
   /**
    * Store a new event in the event store.
    */
@@ -28,7 +28,7 @@ export interface EventStore<TEvents extends Event> {
   ): void;
 }
 
-export type EventSubscriber<TEvents extends Event = Event> = (
+export type EventSubscriber<TEvents extends DomainEvent = DomainEvent> = (
   event: StoredEvent<TEvents>,
 ) => MaybePromise<void>;
 
diff --git a/packages/fabric/domain/events/event.ts b/packages/fabric/domain/events/event.ts
index a816666..ee2fd53 100644
--- a/packages/fabric/domain/events/event.ts
+++ b/packages/fabric/domain/events/event.ts
@@ -1,18 +1,18 @@
 // deno-lint-ignore-file no-explicit-any
-import type { VariantTag } from "@fabric/core";
+import type { TaggedVariant, VariantTag } from "@fabric/core";
 import type { UUID } from "../../core/types/uuid.ts";
 
 /**
  * An event is a tagged variant with a payload and a timestamp.
  */
-export interface Event<TTag extends string = string, TPayload = any> {
-  readonly [VariantTag]: TTag;
+export interface DomainEvent<TTag extends string = string, TPayload = any>
+  extends TaggedVariant<TTag> {
   readonly id: UUID;
   readonly streamId: UUID;
   readonly payload: TPayload;
 }
 
 export type EventFromKey<
-  TEvents extends Event,
+  TEvents extends DomainEvent,
   TKey extends TEvents[VariantTag],
 > = Extract<TEvents, { [VariantTag]: TKey }>;
diff --git a/packages/fabric/domain/events/stored-event.ts b/packages/fabric/domain/events/stored-event.ts
index 2a279a0..e80a9ea 100644
--- a/packages/fabric/domain/events/stored-event.ts
+++ b/packages/fabric/domain/events/stored-event.ts
@@ -1,10 +1,10 @@
 import type { PosixDate } from "@fabric/core";
-import type { Event } from "./event.ts";
+import type { DomainEvent } from "./event.ts";
 
 /**
  * A stored event is an inmutable event, already stored, with it's version in the stream and timestamp.
  */
-export type StoredEvent<TEvent extends Event> = TEvent & {
+export type StoredEvent<TEvent extends DomainEvent> = TEvent & {
   readonly version: bigint;
   readonly timestamp: PosixDate;
 };
diff --git a/packages/fabric/domain/projections/projection.ts b/packages/fabric/domain/projections/projection.ts
index 37335c1..77895d0 100644
--- a/packages/fabric/domain/projections/projection.ts
+++ b/packages/fabric/domain/projections/projection.ts
@@ -1,11 +1,11 @@
 import type { VariantTag } from "@fabric/core";
-import type { Event } from "../events/event.ts";
+import type { DomainEvent } from "../events/event.ts";
 import type { StoredEvent } from "../events/stored-event.ts";
 import type { AggregateModel, ModelToType } from "../models/model.ts";
 
 export interface Projection<
   TModel extends AggregateModel,
-  TEvents extends Event,
+  TEvents extends DomainEvent,
 > {
   model: TModel;
   events: TEvents[VariantTag][];
diff --git a/packages/fabric/domain/use-case/command.ts b/packages/fabric/domain/use-case/command.ts
index 5280260..25012a2 100644
--- a/packages/fabric/domain/use-case/command.ts
+++ b/packages/fabric/domain/use-case/command.ts
@@ -1,18 +1,24 @@
 // deno-lint-ignore-file no-explicit-any
 import type { TaggedError } from "@fabric/core";
+import type { DomainEvent } from "../events/event.ts";
 import type { UseCase } from "./use-case.ts";
 
 export type Command<
   TDependencies = any,
   TPayload = any,
-  TEvent extends Event = any,
+  TEvent extends DomainEvent = any,
   TErrors extends TaggedError<string> = any,
-> = BasicCommandDefinition<TDependencies, TPayload, TEvent, TErrors>;
+> = BasicCommandDefinition<
+  TDependencies,
+  TPayload,
+  TEvent,
+  TErrors
+>;
 
 interface BasicCommandDefinition<
   TDependencies,
   TPayload,
-  TEvent extends Event,
+  TEvent extends DomainEvent,
   TErrors extends TaggedError<string>,
 > {
   /**