Katrina, Werner's description was a good one. I'd just add that words change over time, and this is a good example.
In your own description of it, 'a shop to buy perfume, soap, band-aid, drugs...' I noticed that 'drugs' was only in 4th place, and this for the definition of a 'drugstore'!
But the point isn't that you're wrong, but that you're right--once upon a time, a drugstore only sold drugs, but now it's a place to buy perfume and all the other things you listed. Across the street from where I live, the drugstore is also a place to buy Coke, popcorn, flashlights, dart boards, coffee mugs, flash cameras, foam cusions, sunglasses, and lots of other things.
A minor point: this is a bilingual forum, so there's no need to translate your words, just use whatever language you're comfortable with.