Here is a list of all documented files with brief descriptions:

ewk_application_cache_manager.h	Describes the Ewk Application Cache Manager API
ewk_auth_request.h	Describes the Ewk Authentication Request API
ewk_back_forward_list.h	Describes the Ewk Back Forward List API
ewk_back_forward_list_item.h	Describes the Ewk Back Forward List Item API
ewk_color_picker.h
ewk_context.h	Describes the context API
ewk_context_menu.h	Describes the Ewk Context Menu API
ewk_context_menu_item.h	Describes the Ewk Context Menu Item API
ewk_cookie_manager.h	Describes the Ewk Cookie Manager API
ewk_database_manager.h	Describes the Ewk Database Manager API
ewk_download_job.h	Describes the Download Job API
ewk_error.h	Describes the Web Error API
ewk_favicon_database.h	Describes the Ewk Favicon Database API
ewk_file_chooser_request.h	Describes the Ewk File Chooser API
ewk_form_submission_request.h	Describes the Ewk Form Submission Request API
ewk_intro.h
ewk_main.h	The general initialization of WebKit2-EFL, not tied to any view object
ewk_navigation_data.h	Describes the Ewk navigation data API
ewk_navigation_policy_decision.h	Describes the Ewk navigation policy decision API
ewk_object.h	Describes the Ewk Ref Counted API
ewk_page_group.h	Describes the Ewk Page Group API
ewk_popup_menu.h	Describes the Ewk Popup Menu API
ewk_popup_menu_item.h	Describes the Ewk Popup Menu Item API
ewk_security_origin.h	Security Origin API
ewk_settings.h	Describes the settings API
ewk_storage_manager.h	Describes the Ewk Storage Manager API
ewk_text_checker.h	Provides API to overwrite the default WebKit spellchecker implementation and contains API to manipulate spellchecker settings
ewk_touch.h
ewk_url_request.h	Describes the Ewk URL request API
ewk_url_response.h	Describes the Ewk URL response API
ewk_url_scheme_request.h	Describes the Ewk URL scheme request API
ewk_view.h	WebKit main smart object
ewk_window_features.h	Access to the features of window