# Enriching data

### In this section

* [Applying functions on multiple columns](https://help.qlik.com/talend/en-US/data-preparation-user-guide/8.0/applying-functions-on-multiple-columns)
* [Reordering preparation steps](https://help.qlik.com/talend/en-US/data-preparation-user-guide/8.0/reordering-preparation-steps)
* [Dynamically using the data from another dataset](https://help.qlik.com/talend/en-US/data-preparation-user-guide/8.0/use-lookup)
* [Swapping column content](https://help.qlik.com/talend/en-US/data-preparation-user-guide/8.0/swapping-column-content)
* [List of functions](https://help.qlik.com/talend/en-US/data-preparation-user-guide/8.0/list-of-functions)