docs: enhance documentation to Column annotation

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

api/nosql-core/src/main/java/jakarta/nosql/Column.java

@@ -22,45 +22,62 @@
 import java.lang.annotation.Target;
 
 /**
- * Specify the mapped column for a persistent property or field.
+ * Specifies the column mapped by the annotated persistent property or field.
+ * <p>
+ * If no {@code Column} annotation is explicitly specified, the field will be ignored by Jakarta NoSQL.
+ * </p>
  *
- * @see Entity
+ * <p>
+ * Example 1:
+ * <pre>{@code
+ * @Column(name = "DESC")
+ * private String description;
+ * }</pre>
+ * </p>
+ *
+ * @since 1.0.0
  */
 @Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.FIELD, ElementType.PARAMETER})
+@Target({ElementType.FIELD})
 public @interface Column {
     /**
      * (Optional) The name of the column. Defaults to the property or field name.
-     *
      * <p>
-     * The sample below shows the {@code Person} entity where the mapped fields with {@code @Column} will be going be mapped to columns with their respective field name:
+     * For example, in the {@code Person} entity class below, the mapped fields with {@code @Column}
+     * will be mapped to columns with their respective field name:
      * </p>
-     *
      * <pre>{@code
      * @Entity
      * public class Person {
-     *
      *     @Column
      *     private String name;
-     *
      * }
      * }</pre>
-     *
      * <p>
-     * If any name customization is needed, it just set the single attribute of the annotation to specify the desired name.
-     * In the sample below the Person name field will be mapped to the "personName" column:
+     * If any name customization is needed, set the value of this attribute to specify the desired name.
+     * For instance, in the example below, the {@code name} field of the {@code Person} class will be mapped
+     * to the "personName" column:
      * </p>
      * <pre>{@code
      * @Entity
      * public class Person {
-     *
      *     @Column("personName")
      *     private String name;
-     *
      * }
      * }</pre>
      *
      * @return the column name
      */
     String value() default "";
+
+    /**
+     * (Optional) Defines the name of the user-defined type (UDT) used by the NoSQL database for this field.
+     * <p>
+     * If a NoSQL database supports UDTs, this attribute allows specifying the name of the UDT to be used
+     * for serializing this field. If the database does not support UDTs, this field will be skipped during serialization.
+     * </p>
+     *
+     * @return the user-defined type (UDT) name
+     */
+    String udt() default "";
 }