A vision is an aspirational goal of a product.

Strategy are the choices (Martin's term) or bets you make to achieve that vision.

But keep in mind that strategy can exist at different levels. e.g. Company strategy, product strategy etc. I've written about Vision and Strategy in these two posts.

https://swkhan.medium.com/how-to-create-a-product-vision-445e1fced272

https://medium.com/swlh/theres-a-fine-line-between-strategy-and-fantasy-982431e83b94