System architecture Vocabulary

In this post you will find some accurate explanations of some common words and acronyms used in data architecture.


Server: is a physical hardware that performs tasks on behalf of clients. On the server operates a relational database that stores and manages all the information

What Metadata base is for?

Metadata base: The task of the metadata base is to handle relationships between individual pieces of product data, the structure of the information, and the rules and principles needed to ensure the systematic recording of the information.

What’s a Fileserver?

Fileserver (file vault): it is a warehouse for information data, stored in files, which meets certain set demands. It holds information of particular importance that must be frozen in a state (static information).

What’s an application server?

Application Server (Web application server): The user access to the server is made by a client application installed on the PC’s. This access can be made either via local network or remotely via web.

What’s Web client?

Web client (user): Is the end user that performs activities using different applications software (Office, CAD software, etc).

Enterprise (engineering) Change Notice -ECN

Enterprise (engineering) Change Notice is used as the authority to actually make changes to parts and document, as well as the notification that the items have changed. An ECN (  Enterprise (engineering) Change Notice) is used to add new parts or documents, to change parts or documents, or to mark them for deletion.

Problem Report -PR

PR -Problem Report is used to report any problem with a part or document; can be initiated by company employees, or customers. A Problem Report is used to report any found problem. It does not force any kind of resolution, nor does it automatically initiate a corrective process.

Enterprise (engineering) Change-ECR

ECR -Enterprise (engineering) Change Request is used to request a change in a part or document.

An ECR is usually either a response to some PRs or a result of proactive thinking used to identify a problem

Technical Review Board -TRB

Technical Review Board is The first of three change board functions is the conducting of a technical review (impact analysis) of each proposed change.

Change Review Board-CRB

The second board function is the review and disposition (approval or disapproval) of each proposed change.

Change Implementation Board-CIB

The third board function is the creation of the implementation plan and establishment of the effectivityfor each approved change

Change Management

Institute of Configuration Management


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