In the nine-box grid, high-potential and high performing employees who should be developed for leadership positions in the company are termed star performers core employees strong contributors subject experts

The correct answer that fills the gap is star performers.

Explanation:

High-potential employees or employees with high potential talent have the capacity and aspiration to become successful leaders within an organization.

A “High-Performer” or high-performance employee are workers who also have high potential, but this is not always the case. An employee can be very good at his job but not have "wood" or desire to assume a leadership role.

Here we see a first important difference between each other. For an organization, not being able to differentiate between performance and potential will make it difficult to identify, train and retain talent, as well as being an expensive task.

"All employees with high potential are high-performance, but not all high-performance employees have high potential"

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the u.s. census bureau produces data on the population and economy nationwide. it can you to analyze the kind of people living in your neighborhood. it does not show you the market of people willing to buy your product or an existing market for your product. that will require more market research. the census bureau only gives you an insight to the demographics in your area.