6 methods override DisplayPluginBase::execute()

Attachment::execute in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/Attachment.php
When used externally, this is how a view gets run and returns data in the format required.
Block::execute in drupal/core/modules/block/lib/Drupal/block/Plugin/views/display/Block.php
The display block handler returns the structure necessary for a block.
DefaultDisplay::execute in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/DefaultDisplay.php
The default execute handler fully renders the view.
DisplayTest::execute in drupal/core/modules/views/tests/views_test_data/lib/Drupal/views_test_data/Plugin/views/display/DisplayTest.php
Overrides Drupal\views\Plugin\views\display\DisplayPluginBase::execute().
EntityReference::execute in drupal/core/modules/entity_reference/lib/Drupal/entity_reference/Plugin/views/display/EntityReference.php
Overrides \Drupal\views\Plugin\views\display\DisplayPluginBase::execute().
PathPluginBase::execute in drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/PathPluginBase.php
Overrides \Drupal\views\Plugin\views\display\DisplayPluginBase::execute().