This document provides an overview of domain modeling concepts including: - A domain model illustrates meaningful conceptual classes in a problem domain and is not focused on software components. - Key elements of a domain model include conceptual classes, associations between classes, and attributes of classes. - Identifying conceptual classes involves techniques like analyzing common nouns and noun phrases. - Associations represent meaningful relationships between conceptual classes and should be identified based on information needs. - Attributes specify logical data values of conceptual classes and should be kept simple. - The document uses examples to demonstrate domain modeling techniques.