# Columns `` can be used to display content in multiple columns on the document, e.g. line in a printed newspaper. To define columns, you need to add as many `` tags as you would like to have columns. Each column needs to have a width in % or a unit (e.g. mm or cm). It can only be used within a [``](/document-xml-adx/adx-elements/body.md). ## Example ```xml Left Column Right Column ``` ## Attributes ### `` #### `gap` (optional) How much space should there between the columns in pt, mm or cm e.g. `gap="8mm"`. #### `spaceBefore` (optional) Space before the columns in pt, mm or cm. #### `spaceAfter` (optional) Space after the columns in pt, mm or cm. ### `` #### `width` The width of the column. Can be in pt, mm, cm, or as a percentage (e.g. `width="40%"`). A `` can contain the following elements: ``, ``, ``, ``, ``, ``, ``, ``, and ``.

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