This is the 10193rd most frequent Spanish word.
clásicas
"Clásicas" means "classics" or "classical" in English, depending on the context.
The word 'clásicas' is used to describe architectural features that are traditional or timeless in style.
Las casas en esa área tienen fachadas clásicas.
The houses in that area have classic facades.
Here, 'clásicas' is applied to movies, referring to works that are highly regarded and often older.
Siempre prefiero las películas clásicas a las modernas.
I always prefer classic movies to modern ones.
In this instance, 'clásicas' describes theoretical foundations or concepts that have stood the test of time and are widely accepted in the academic sense.