How to talk about restaurants

There are many aspects to consider when choosing a restaurant.

The first is the food.
Seafood is their specialty.
Some vegetarian dishes are their specials.
They have/serve/supply authentic Chinese food.

The second is the restaurant's amenities.
They have indoor and outdoor seating.
They offer/provide free parking.

Vocabulary
specialty (noun, countable, British English usually speciality)
a type of food or product that a restaurant or place is famous for because it is so good
Etymology
special + (i)ty, special  related to specere "to look at, to see, behold," from PIE root *spek- "to observe."

amenity (noun, countable)
something that makes life easier or more pleasant
Etymology
related to amare "to love" + ity

authentic (adjective)
made to be exactly the same as the original
Etymology
from authentes "one acting on one's own authority," from autos "self" (see auto-) + hentes "doer, being," from PIE root *sene- (2) "to accomplish, achieve."

indoor (adjective)
Note: the word's corresponding adverb is indoors. The same as  outdoor and outdoors are.
We'd like to sit indoors.

parking (noun, uncountable)
space in which vehicles can be parked