-let mode_chat = new Mode('chat', true, false);
-let mode_annotate = new Mode('annotate', true, true);
-let mode_play = new Mode('play', false, false);
-let mode_study = new Mode('study', false, true);
-let mode_edit = new Mode('edit', false, false);
+let mode_chat = new Mode('chat / write messages to players', true, false);
+let mode_annotate = new Mode('add message to map tile', true, true);
+let mode_play = new Mode('play / move around', false, false);
+let mode_study = new Mode('check map tiles for messages', false, true);
+let mode_edit = new Mode('write ASCII char to map tile', false, false);