# Language ## Syntax Within the individual reference articles for each statement, the syntax is described using the following conventions: * **`bold`** for keywords * *`italics`* for arguments * Square brackets for optional keywords and arguments `[`**`like`***`this`*`]` * Vertical pipe for alternative keyword options **`just|exactly`** as shown * Ellipses for a variable length list of arguments: *`Column1`* `...` *`ColumnN`* Refer to the [core concepts](https://olddocs.exivity.io/advanced/digging-deeper/dataset-lifecycle) page for more information regarding datasets, fully qualified column names and related information. --- # 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://olddocs.exivity.io/data-pipelines/transform/language.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.