If you were speaking Mexican/latin American or European spanish you would say 'su deseo es mi orden'
To command someone to run in Spanish, you would say 'corre.'
To command someone to eat bread in Spanish, you would say 'Come el pan.'
You say, "mandado," - "el mandado."
quedate
aliz navada actually is Feliz Navidad
"To listen (to)" in Spanish is "escuchar". "Listen" as a command would be "escuche".
You would say 'come.'
you can not because we do not say that if you said that you would sound stupid
Tú eres mi deseo
Ojala no fueramos amigos.
¿Querría / querrían / querrías / querríais...? ¿Quisiera / quisieran / quisieras / quisierais...?
To command someone to open the door in Spanish, you would say 'Abre la puerta.'