-#ifndef __DALI_DOC_H__
-#define __DALI_DOC_H__
+#ifndef DALI_DOC_H
+#define DALI_DOC_H
+
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
/**
- * @defgroup dali-core DALi Core
- * @ingroup dali
+ * @defgroup dali_core DALi Core
+ *
+ * @brief DALi Core provides core functionalities such as scene graph-based rendering, animation, and event handling.
*
- * @brief This module provides scene graph-based rendering, animation, and event handling.
* It is a base module and forms the biggest part of DALi.
*
+ * @section dali_core_overview Overview
+ *
+ * DALi Core consists of the following groups of API:
+ *
+ * <table>
+ * <tr>
+ * <th>API Group</th>
+ * <th>Description</th>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_actors</td>
+ * <td>Actor is the primary object for interaction in DALi applications.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_animation</td>
+ * <td>Classes for animation which allows your objects to move around / change their properties for a specified duration.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_common</td>
+ * <td>Common classes for using DALi.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_events</td>
+ * <td>Classes for input events and gestures supported by DALi.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_images</td>
+ * <td>Classes for handling images.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_math</td>
+ * <td>Classes for basic math.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_object</td>
+ * <td>Classes for the handle/body pattern and property system.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_rendering_effects</td>
+ * <td>Classes for render task and shader effect.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_signals</td>
+ * <td>Classes for the signal and slot structure.</td>
+ * </tr>
+ * <tr>
+ * <td>@ref dali_core_size_negotiation</td>
+ * <td>Classes for the size negotiation.</td>
+ * </tr>
+ * </table>
+ *
+ * \ifnot show_tizen_feature
+ *
+ * @section dali_toolkit_feature Related Features
+ * This API is related with the following features:\n
+ * - http://tizen.org/feature/opengles.version.2_0\n
+ *
+ * It is recommended to design feature related codes in your application for reliability.\n
+ *
+ * You can check if a device supports the related features for this API by using @ref CAPI_SYSTEM_SYSTEM_INFO_MODULE, thereby controlling the procedure of your application.\n
+ *
+ * To ensure your application is only running on the device with specific features, please define the features in your manifest file using the manifest editor in the SDK.\n
+ *
+ * More details on featuring your application can be found from <a href="https://docs.tizen.org/application/tizen-studio/native-tools/manifest-text-editor#feature-element"><b>Feature Element</b>.</a>
+ *
+ * \endif
+ *
+ * @ingroup dali
* @{
- * @defgroup dali-core-actors Actors
+ * @defgroup dali_core_actors Actors
* @brief Actor is the primary object for interaction in DALi applications.
- * @defgroup dali-core-animation Animation
- * @brief Animation allows your objects to move around / change their properties for a specified duration.
+ * @defgroup dali_core_animation Animation
+ * @brief Classes for animation which allows your objects to move around / change their properties for a specified duration.
- * @defgroup dali-core-common Common
+ * @defgroup dali_core_common Common
* @brief Common classes for using DALi.
- * @defgroup dali-core-events Events
- * @brief Input events and gestures supported by DALi.
+ * @defgroup dali_core_events Events
+ * @brief Classes for input events and gestures supported by DALi.
- * @defgroup dali-core-images Images
+ * @defgroup dali_core_images Images
* @brief Classes for handling resource images.
- * @defgroup dali-core-math Math
- * @brief Basic math classes.
+ * @defgroup dali_core_math Math
+ * @brief Classes for basic math.
- * @defgroup dali-core-object Object
+ * @defgroup dali_core_object Object
* @brief Classes for the handle/body pattern and property system.
- * @defgroup dali-core-render-tasks Render Tasks
- * @brief Render task classes.
+ * @defgroup dali_core_rendering_effects Rendering & Effect
+ * @brief Classes for render task and shader effect.
- * @defgroup dali-core-shader-effects Shader Effects
- * @brief Shader effect classes.
-
- * @defgroup dali-core-signals Signals
+ * @defgroup dali_core_signals Signal
* @brief Classes for the signal and slot structure.
+
+ * @defgroup dali_core_size_negotiation Size Negotiation
+ * @brief Classes for the size negotiation.
* @}
*/
-#endif /* __DALI_DOC_H__ */
+#endif /* DALI_DOC_H */