549 Atlantic Avenue, Brooklyn, New York, 11217

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.