vs
QUICK ANSWER
"Señora" is a form of "señora", a noun which is often translated as "woman". "Buenas noches" is a form of "buenas noches", a phrase which is often translated as "good evening". Learn more about the difference between "señora" and "buenas noches" below.
la señora()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
3. (honorific)
buenas noches()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (salutation)
2. (farewell)
