diff --git a/src/main/java/io/reflectoring/reviewapp/common/OutputAdapter.java b/src/main/java/io/reflectoring/reviewapp/common/OutputAdapter.java
new file mode 100644
index 0000000..4553c59
--- /dev/null
+++ b/src/main/java/io/reflectoring/reviewapp/common/OutputAdapter.java
@@ -0,0 +1,26 @@
+package io.reflectoring.reviewapp.common;
+
+import org.springframework.core.annotation.AliasFor;
+import org.springframework.stereotype.Component;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Component
+public @interface OutputAdapter {
+
+  /**
+   * The value may indicate a suggestion for a logical component name,
+   * to be turned into a Spring bean in case of an autodetected component.
+   * @return the suggested component name, if any (or empty String otherwise)
+   */
+  @AliasFor(annotation = Component.class)
+  String value() default "";
+
+}
diff --git a/src/main/java/io/reflectoring/reviewapp/common/PersistenceAdapter.java b/src/main/java/io/reflectoring/reviewapp/common/PersistenceAdapter.java
new file mode 100644
index 0000000..6fb6701
--- /dev/null
+++ b/src/main/java/io/reflectoring/reviewapp/common/PersistenceAdapter.java
@@ -0,0 +1,27 @@
+package io.reflectoring.reviewapp.common;
+
+import org.springframework.core.annotation.AliasFor;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Repository;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Component
+public @interface PersistenceAdapter {
+
+  /**
+   * The value may indicate a suggestion for a logical component name,
+   * to be turned into a Spring bean in case of an autodetected component.
+   * @return the suggested component name, if any (or empty String otherwise)
+   */
+  @AliasFor(annotation = Component.class)
+  String value() default "";
+
+}
diff --git a/src/main/java/io/reflectoring/reviewapp/common/UseCase.java b/src/main/java/io/reflectoring/reviewapp/common/UseCase.java
new file mode 100644
index 0000000..d9abec1
--- /dev/null
+++ b/src/main/java/io/reflectoring/reviewapp/common/UseCase.java
@@ -0,0 +1,26 @@
+package io.reflectoring.reviewapp.common;
+
+import org.springframework.core.annotation.AliasFor;
+import org.springframework.stereotype.Component;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Component
+public @interface UseCase {
+
+  /**
+   * The value may indicate a suggestion for a logical component name,
+   * to be turned into a Spring bean in case of an autodetected component.
+   * @return the suggested component name, if any (or empty String otherwise)
+   */
+  @AliasFor(annotation = Component.class)
+  String value() default "";
+
+}
diff --git a/src/main/java/io/reflectoring/reviewapp/common/WebAdapter.java b/src/main/java/io/reflectoring/reviewapp/common/WebAdapter.java
new file mode 100644
index 0000000..879f2e9
--- /dev/null
+++ b/src/main/java/io/reflectoring/reviewapp/common/WebAdapter.java
@@ -0,0 +1,26 @@
+package io.reflectoring.reviewapp.common;
+
+import org.springframework.core.annotation.AliasFor;
+import org.springframework.stereotype.Component;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Component
+public @interface WebAdapter {
+
+  /**
+   * The value may indicate a suggestion for a logical component name,
+   * to be turned into a Spring bean in case of an autodetected component.
+   * @return the suggested component name, if any (or empty String otherwise)
+   */
+  @AliasFor(annotation = Component.class)
+  String value() default "";
+
+}