cuando usar dejar and salir
What is the difference between dejar and salir?
3 Answers
As Tiquismiquis said they can have different meanings but if your confusion stems from the fact that they both at times can mean 'to leave' then perhaps this will help ...
Salir means 'to leave' as to vacate an area, leave 'from'.
¿ A qué hora sale su vuelo? what time does your flight leave?
Dejar means 'to leave' in the sense of leaving something or someone somewhere, to let remain or even to abandon.
He left only one piece of pizza for the others.
Sólo dejó una porción de pizza a los demás.
Don't leave your possessions where they are likely to be stolen.
No dejes tus posesiones en donde puedan robártelas.
To begin with:
let = dejar
leave = salir/irse
Hay muchísimas diferencias. Si concretas más, igual podemos decirte las que te interesan.