> For the complete documentation index, see [llms.txt](https://xoops.gitbook.io/wgsimpleacc-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xoops.gitbook.io/wgsimpleacc-tutorial/english/preferences/options-components.md).

# Options for optional components

## Use currencies

Please define whether you want use currencies

## Use taxes

Please define whether you want use taxes

## Use file system

Please define whether you want use the possibility to add files to your transactions

## Use clients system

Please define whether you want use the possibility to handle client data

## Use transaction histories

If you are using histories then original data will be stored in history table before deleting or updating

## Use files histories

If you are using histories then original data will be stored in history table before deleting or updating. Then files itself will be not deleted