With a green dot are text modules and notes marked from your dictionary.
If desired, you can collect data from your address book, and they are marked with a red dot.
Does not fit the automatic capitalization, you can change this immediately for the last word. Here it would lowercase.
This also works in the other direction.
Should be missing an entry, scroll to the proposals further.
Select some text and save it directly as a text module or take these, as the basis for a note.
This works also everything of your device in landscape.
The proposals are optimized to continue writing at the end of the text. Although you can customize suggestions in the text, then land immediately at the end of your text.
Since this far back in the text no longer makes sense, that is disable, marked with the locked red dot. You can therefore check if the text is correct. Try writing out simple and notice that you come forward quickly.