> For the complete documentation index, see [llms.txt](https://dotnetweb30-ke.gitbook.io/ke/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dotnetweb30-ke.gitbook.io/ke/design/db-design/relational-terminology-attributes.md).

# Relational terminology: Attributes

{% hint style="success" %}
Your system will need to keep track of certain facts about each entity. These facts are referred to as the entity's **attributes**.
{% endhint %}

If your system includes Customer entities, for example, you'll probably want to know the names and addresses of the customers and perhaps the businesses they're in.

![](https://3408508746-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lis5JLcnSD2vdYdyQ3U%2F-LjCKWmUxhtV1Ejxq51s%2F-LjCL9slMC5JEcatHfG9%2Frelation-terminology-2.png?alt=media\&token=ffca03ca-3f2a-4911-88c5-dd8d98a1df55)