Who can explain to me in simple words what stretch goals are in business? What they should look like and what are the most workable and sought-after methods of achieving them?

Now, stretch goals to begin with, they are the most aspirational objectives in biz. They are accomplished in a variety of ways that may only be suitable for realizing a particular challenge. You can learn more about one of the techniques that help you reach such goals here https://www.voiset.io/blog/what-is-a-stretch-goal-in-business.