Hello my fellow AP'ers

I have a quite noobish question yet I can barely find a satisfying answer.

I am wondering if there is any consideration of "soft" or "hard"hands in basic strategy.

If I take an exemple, for S17 / DAS / DOA / SOA :

The basic strategy says that you stand on a 16 vs 6.
Let's imagine my hand is A / 2 / 3
I have a H16 or a S6.

Basic strategy says that you Hit a 6 vs 6, but otherwise says you Stand on a 16 vs 6.

Hence my question... In that case, what is the player supposed to do ? Consider the hand ALWAYS soft or ALWAYS hard, or does it depend ?

Sorry if that answer has been given somewhere already (and I'm sure it has been) but I'm slightly confused.

Thanks a lot for anyone taking time to explain me this little detail.