Limiting neighborhoods by buyer's race is

Puffing involves exaggerating the qualities or features of a property to make it more appealing to potential buyers. It does not involve discriminatory practices based on race but rather focuses on promoting a property’s desirability, which is unrelated to limiting neighborhoods based on race.

Blockbusting is a practice where real estate agents induce homeowners to sell their properties at lower prices by instilling fear that racial minorities will soon move into the neighborhood. While it involves race, it focuses more on the selling strategies rather than the act of limiting neighborhoods, which differentiates it from steering.

Redlining refers to the discriminatory practice of denying services, typically mortgage financing, to residents of certain areas based on racial or ethnic composition. Although it impacts housing opportunities, it primarily involves lending practices rather than directly influencing buyer behavior in terms of neighborhood selection.