# Domain Files

The Domain files are used to specify domain pertinent information.

The following tags are described in this sections:

FEAT

## How to Build a Domain

The first field in the domain line is the “Domain Name”. This is a required field and does not have a tag.

Example:

`Holy`

The domain named “Holy” is to be created.

`Travel.MOD`

The domain named “Travel” is to be modified.

For more information on building domains, visit Lesson #15: Basic Domain Creation and Lesson #16: Advanced Domain Topics

## Domain File Tag Dictionary

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