Write Text Box and Choose Box in active documents

The following screenshot of an active document is intended for children that like animals. We can see 9 elements: 3 expositive elements (1 text, 2 pictures) and 6 active units (2 Write Text Boxes and 4 Choose Boxes).

Write Text Box and Choose Box in authoring system

(The screenshot is cut).

After validation, children will look at the following messages, as shown herunder.

Message in authoring system .

Children will Validate for a second time, after setting the spelling, and the message will be, without doubt, for "Congratulations".

The action of the reader and the incident message distinguishes the Active Document (AD).