diff --git a/bin/jadb.dart b/bin/jadb.dart
index 3e7be33..8b041d7 100644
--- a/bin/jadb.dart
+++ b/bin/jadb.dart
@@ -2,9 +2,9 @@ import 'dart:ffi';
 import 'dart:io';
 
 import 'package:args/args.dart';
-import 'package:jadb/jmdict/parser.dart';
-import 'package:jadb/kanjidic/parser.dart';
-import 'package:jadb/radkfile/parser.dart';
+import 'package:jadb/_data_ingestion/jmdict/parser.dart';
+import 'package:jadb/_data_ingestion/kanjidic/parser.dart';
+import 'package:jadb/_data_ingestion/radkfile/parser.dart';
 import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 import 'package:sqlite3/open.dart';
 
diff --git a/lib/jmdict/objects.dart b/lib/_data_ingestion/jmdict/objects.dart
similarity index 99%
rename from lib/jmdict/objects.dart
rename to lib/_data_ingestion/jmdict/objects.dart
index 9604507..842c546 100644
--- a/lib/jmdict/objects.dart
+++ b/lib/_data_ingestion/jmdict/objects.dart
@@ -1,4 +1,4 @@
-import 'package:jadb/objects.dart';
+import 'package:jadb/_data_ingestion/sql_writable.dart';
 
 
 abstract class TableNames {
diff --git a/lib/jmdict/parser.dart b/lib/_data_ingestion/jmdict/parser.dart
similarity index 100%
rename from lib/jmdict/parser.dart
rename to lib/_data_ingestion/jmdict/parser.dart
diff --git a/lib/kanjidic/objects.dart b/lib/_data_ingestion/kanjidic/objects.dart
similarity index 99%
rename from lib/kanjidic/objects.dart
rename to lib/_data_ingestion/kanjidic/objects.dart
index 4e52465..e3056b3 100644
--- a/lib/kanjidic/objects.dart
+++ b/lib/_data_ingestion/kanjidic/objects.dart
@@ -1,4 +1,4 @@
-import 'package:jadb/objects.dart';
+import 'package:jadb/_data_ingestion/sql_writable.dart';
 
 abstract class TableNames {
   static const String character = 'KANJIDIC_Character';
diff --git a/lib/kanjidic/parser.dart b/lib/_data_ingestion/kanjidic/parser.dart
similarity index 100%
rename from lib/kanjidic/parser.dart
rename to lib/_data_ingestion/kanjidic/parser.dart
diff --git a/lib/radkfile/objects.dart b/lib/_data_ingestion/radkfile/objects.dart
similarity index 100%
rename from lib/radkfile/objects.dart
rename to lib/_data_ingestion/radkfile/objects.dart
diff --git a/lib/radkfile/parser.dart b/lib/_data_ingestion/radkfile/parser.dart
similarity index 100%
rename from lib/radkfile/parser.dart
rename to lib/_data_ingestion/radkfile/parser.dart
diff --git a/lib/objects.dart b/lib/_data_ingestion/sql_writable.dart
similarity index 100%
rename from lib/objects.dart
rename to lib/_data_ingestion/sql_writable.dart
diff --git a/lib/models/jmdict/word_search_result.dart b/lib/models/jmdict/word_search_result.dart
new file mode 100644
index 0000000..f7dbec1
--- /dev/null
+++ b/lib/models/jmdict/word_search_result.dart
@@ -0,0 +1,3 @@
+class WordSearchResult {
+  // TODO: implement me
+}
diff --git a/lib/models/kanjidic/kanji_search_result.dart b/lib/models/kanjidic/kanji_search_result.dart
new file mode 100644
index 0000000..6119c54
--- /dev/null
+++ b/lib/models/kanjidic/kanji_search_result.dart
@@ -0,0 +1,3 @@
+class KanjiSearchResult {
+  // TODO: implement me
+}
diff --git a/lib/models/radkfile/radicals_search_result.dart b/lib/models/radkfile/radicals_search_result.dart
new file mode 100644
index 0000000..4f9d346
--- /dev/null
+++ b/lib/models/radkfile/radicals_search_result.dart
@@ -0,0 +1,3 @@
+class RadicalsSearchResult {
+  // TODO: implement me
+}
diff --git a/lib/search.dart b/lib/search.dart
new file mode 100644
index 0000000..454c7f0
--- /dev/null
+++ b/lib/search.dart
@@ -0,0 +1,15 @@
+import 'package:jadb/models/jmdict/word_search_result.dart';
+import 'package:jadb/models/kanjidic/kanji_search_result.dart';
+import 'package:jadb/models/radkfile/radicals_search_result.dart';
+
+Future<KanjiSearchResult> searchKanji(String kanji) async {
+  throw UnimplementedError();
+}
+
+Future<RadicalsSearchResult> searchKanjiByRadicals(List<String> radicals) {
+  throw UnimplementedError();
+}
+
+Future<WordSearchResult> searchWord(String word) async {
+  throw UnimplementedError();
+}