Components of logical data model are
Entity- Entity refers to an object that we use to store information. It has its own table.
Attribute- It represents the information of the entity that we are interested in. It is stored as a column of the table and has specific datatype associated with it.
Record- It refers to a collection of all the properties associated with an entity for one specific condition, represented as a row in a table.
Domain- It is the set of all the possible values for a particular attribute.
Relation- Represents a relation between two entities.