As different Scorewriters are encountering identical or similar problems, I shall use this thread to answer a series of questions that come up regularly. Your questions will frequently be the start of a section. This post will be regularly updated, and from time to time I shall send a notice to you to draw your attention to new elements.
Instrument names
Question:
Answer: We give the instruments the names as in the reference edition (the first edition, an Urtext edition, ...). In this example, the basso singer is called Basilio in the opera, so the instrument should be called Basilio.
Missing dynamics indications
Question:
Answer: It's frequent, particularly in renaissance and baroque music, and even with classicist composers like Mozart. Composers assumed much more than today that musicians would find "evident" what to do, an they did not write detailed dynamics and slurs.
As Scorewriters, we do not add dynamics to the reference score. It is the musician's task (in our case the Orchestrator's) to "fill in" the missing elements.
Tip: if you feel the nee to enter some dynamics in order to get a proper rendering in Dorico, you can add them, but "hide" them on the score:
becomes 
Lyrics hyphenation
Question:
Answer:
Divide the lyrics in syllables according to Dorico standard rules.
