There are so many uses doe stones though it all depends on how big or little they are.
As a kid my mom picked up stones from different places. She used them to go around
trees for decoration.
I had a rock border around my Butterfly Garden
The former owner left us piles of white
pea gravel which we used to make a parking area and to go all around the house. This border is good for walkways as well as the parking area.
We made some flagstone walkway at our house when we had our homestead.