547 Atlantic Avenue, Brooklyn, New York, 11217

This zoning analysis is describing the redevelopment potential of the site.

Key points:

The property is in the Downtown Brooklyn Special District (DB) with underlying R7A/C2-4 zoning.
FAR (Floor Area Ratio) of 4.0 means the total permitted floor area can be up to 4 times the lot area.
80% lot coverage means up to 80% of the lot can be occupied by the building footprint on qualifying floors.
Maximum height of 85 feet generally allows a building of roughly 7–8 stories, depending on floor-to-floor heights and design.

supporting a substantial multi-level structure that seamlessly combines luxury parking…

suggests the marketing materials are highlighting the possibility of a project with:

Ground-floor commercial or retail space,
Multiple residential floors above,
Structured parking or vehicle storage,
Potential luxury condominium or rental units.

For an investor or developer, the most important figure is the R7A DB C2-4 zoning. The value of the site is often based on the number of buildable square feet and what can legally be constructed under the zoning rules. Giving the investor an ROI he can look forward to.