<<I mean, it's strange that you display script outside the output. E.g. on page 7 you have 2 outputs and only one script.>> Consideer that this transaction is not been broadcasted to P2P Network. You can storage a valid transaction as this if you add the flags SIGHASH_ALL and SIGHASH_ANYONECANPAY to the transaction.

<<what does mean "description message is ciphered"? You mean signed? Because ECDSA does not do encryption (like RSA), only signatures.>> I'm not sure about your question. ECDSA is a PKI key type, so i believe that it's possible.