Answer:
If English,
Primary" means first, the normal option used as the first choice in most situations. "Basic" means simple, with nothing extra. "Basic" is also slang for having boring or cliched tastes.
If school-related,
basic education comprises primary education (first stage of basic education) and lower secondary education (second stage). It also covers a wide variety of non-formal and informal public and private activities intended to meet the basic learning needs of people of all ages.