# Logical Record Architecture for Health and Social Care
## Discharge Summary Release 0.02

Contents
The content of this release is not comprehensive and is not fully validated and must not be used in live system implementations.
# Package: lra::representation
This package defines the classes, relationships and constraints used to represent LRA Technical Model Type instances and their component parts. The package contains sub-packages that address the four key aspects of representing LRA Technical Model Type instances and their component parts: defining instances; describing instances using metadata; unambiguously referring to instances; and signifying and controlling changes to instances. ## Packages: ### definitional ### descriptive ### referential ### change