# View and Administer Categories

The IDOL Category component allows you to do these tasks to maintain your category hierarchy:

- view category details

- view category hierarchy details

- view category terms and weights

- view category training

- change category fields

- change category term weights

- replace categories

- activate categories

- build categories

- delete categories

- delete category training

- export categories to XML

- sync the IDOL category index with the categories stored on disk

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