Legacy System

An existing system repository of information and processes. Link Test A test to identify errors in linked modules of an application system. Link testing is an extension of module testing carried out on a number of levels of detail. Examples include, linked modules of a program, linked programs of a functional area or subsystem, and linked subsystems of the complete application system. The link test is usually a white box test.


A tier or strata in a dimensional hierarchy. Each lower level represents an increasing degree of detail. Levels in a location dimension might include country, region, state, county, city, zip code, etc.


Implementation process has ended and the solution is put into production.

Logical Application Architecture

A complete map of the application instances required to support the applications architecture.

Logical Data Warehouse Architecture

The framework which outlines all of the data warehouse functions and components for the strategic data warehouse. This includes the data classes, relational and multidimensional databases, meta data repository, ETT components, warehouse management, and client and server processes.

Logical Naming Standards

What the business community calls a field. Also see physical naming standards.

Logical System Design

The task of designing a system to support business needs without making final decisions regarding the physical implementation. The same logical design should be appropriate for many physical implementations using, for instance, different versions of a database management system.

Look and Feel

The appearance and behavior of a system facility as perceived by the end user. This includes the data, the layout, and the user interaction through menus, buttons, text editing, and other devices.