A more thorough explanation:

PLAT

A plat is a small piece of land or a map that describes a piece of land and its features, such as boundaries, lots, roads, and easements.

• John bought a plat of land to build his dream home.
• The city council reviewed the plat of the new housing development before approving it.

The first example illustrates the first definition of plat, which refers to a small piece of land. John bought a plat of land, meaning he purchased a specific area of land. The second example illustrates the second definition of plat, which refers to a map that describes a piece of land and its features. The city council reviewed the plat of the new housing development, meaning they looked at a map that showed the boundaries, lots, roads, and easements of the development before approving it.