a nivel popular, local, de base

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

popular Adjective

— If something is popular many people like, love, or enjoy it. Beth is one of the popular girls in my class. Hamburgers are more popular than hot dogs with teenagers. Kyle is the most popular boy in the senior class.

local Adjective

— Something is local if it comes from a specific place. It often it means a place near the person who is speaking. We do not like fruit grown in other countries. We like to eat local fruit.

local Noun

— A person is local if the person comes from a specific place. They did not trust people from other places. They only trust locals.

DE

— noun (= Delaware) a Mid-Atlantic state; one of the original 13 colonies

base Noun

— Something's base is its lower part; the solid part that touches the floor or touches the earth and keeps the other parts of the thing up. — Something's base is its most important part. — A base is a building for military personnel and material.

base Adjective

— Rude, unfair, or unkind. The people who make those sex videos are really base.

base Verb

— When something or someone is based in a place, they do most of their work in that place. The airline is based in Toronto, but flies all over the world. — If you base x on y, you build or make x on, using, or to be like y. The movie is based on the book.