Entity container: It contains all the entity sets.
Entity set: It represents a table. It is based on the entity type.
Entity type: All the fields(properties) and the primary keys are mentioned.
Property: It represents the fields along with data type.
Entity: It describes a line of record in the data table.
Association: It connects the primary and foreign key fields. It represents the cardinality of the relationship (1:1, 1: n).
Navigation: The two different entity sets can be related and represented through the navigation.