In Entity Framework, the concept of ___________ allows you to customize how properties in an entity map to columns in a database table.

In Entity Framework, the concept of "Data Annotations" allows you to customize how properties in an entity map to columns in a database table. Data Annotations provide a way to override the default mapping behavior by specifying attributes directly on your entity classes. Examples include [Key] to define a primary key, [Column] to specify column names, and [MaxLength] to set column length constraints.