How to load a static block programmatically in a phtml file?

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1

How to call static block in phtml file.

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/** @var \Magento\Framework\App\ObjectManager $om */
$om = \Magento\Framework\App\ObjectManager::getInstance();
/** @var \Magento\Cms\Model\Block $block */
$block = $om->create('Magento\Cms\Model\Block');
$block->load('test', 'identifier');
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$block->load(‘test’, ‘identifier’);

Can i know what is test here ?

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