# 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 --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://xoops.gitbook.io/wgsimpleacc-tutorial/english/preferences/options-components.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.