To place something is more general and unspecific. It refers to the action of putting something in a place. It can be literal and abstract.

She placed the silverware around the table. (literal)

She placed first in the one-mile race. (abstract)

To position something is more about orienting something. The action of positioning something is to put it in a better state. It can also be literal and abstract.

She positioned the magazines on the coffee table in a more organized fashion. (literal)

He positioned himself well to receive the promotion. (abstract)

Thank you!!!:))

I need to finish my coffee before I answer posts, sorry! :D

Alex's explanation is very clear.