# Appendix 2: Acceptable extent formats

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<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><p><strong>Parent level</strong></p><p></p><p>Use whichever unit is most appropriate out of boxes, files and volumes.</p><p></p><p>In addition, state the number of outsize items. </p><p></p><p>For example:</p><p>•            5 boxes</p><p>•            10 files</p><p>•            4 volumes</p><p>•            5 boxes, 2 outsize boxes</p><p>•            6 boxes, 2 outsize items</p></td><td></td><td></td></tr><tr><td><p><strong>Item level</strong></p><p></p><p>Use either file or volume as appropriate:</p><p></p><p>•            1 file</p><p>•            1 file (in 2 parts)</p><p>•            1 volume</p><p>•            1 file (in 2 parts, 1 part is a volume)</p></td><td></td><td></td></tr></tbody></table>
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{% tab title="Audio-visual" %}

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><p><strong>Parent level</strong><br></p><p>Quantity and basic format, for example:</p><p><br>2 tape cassettes</p><p>3 DVDs</p><p>5 videocassettes</p></td><td></td><td></td></tr><tr><td><p><strong>Item level</strong><br></p><p>Basic format information, for example:<br></p><p>1 tape cassette</p><p>1 film reel</p><p>1 DVD</p><p>1 CD</p></td><td></td><td></td></tr></tbody></table>

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{% tab title="Visual" %}
For additional details, see the Visual & Material Culture Cataloguing manual

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><p><strong>Parent level</strong><br></p><p>Aggregate of items, for example:<br></p><p>5 drawings</p><p>2 paintings</p><p>4 prints, 2 photographs</p></td><td></td><td></td></tr><tr><td><p><strong>Item level (individual work)</strong></p><p></p><p>Quantity and broad type of item, for example:</p><p></p><p>1 drawing</p><p>1 painting</p><p>1 photograph</p><p>1 print</p></td><td></td><td></td></tr><tr><td><p><strong>Item level (multiple images on a single support)</strong></p><p></p><p>2 paintings on 1 sheet</p><p>4 photographs on 1 card mount</p></td><td></td><td></td></tr><tr><td><p><strong>Item level (multiple works in an original container)</strong></p><p></p><p>Use one of the following terms for the container: </p><p></p><p>album; sketchbook; portfolio; volume; scrapbook; box</p><p></p><p>For example:</p><p>15 prints in 1 portfolio;</p><p>24 drawings in one sketchbook</p></td><td></td><td></td></tr></tbody></table>
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{% tab title="Born-digital" %}

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th></th></tr></thead><tbody><tr><td><p><strong>Parent level</strong></p><p></p><p>Quantity of orderable unites phrased as "[X] digital items". </p><p></p><p>For example:</p><p>1 digital item</p><p>15 digital items</p></td><td></td><td></td></tr><tr><td><p><strong>Item level</strong></p><p></p><p>Use the following terms and add the quantities for whichever apply:</p><p></p><p>document files</p><p>image files</p><p>encoded audio files</p><p>encoded moving image files</p><p>spreadsheets</p><p>database files</p><p>presentation files</p><p>disc image</p><p>other files</p><p></p><p>For example: 25 image files, 4 document files, 1 spreadsheet and 1 other file</p></td><td></td><td></td></tr></tbody></table>
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{% tab title="Mixed formats" %}
At parent level, include the different formats in one extent field. For example:

* 10 boxes, 5 DVDs, 3 volumes
* 4 files, 3 digital items
* 20 boxes, 5 drawings, 2 prints, 1 digital item
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