4 string references to YAML keys in field_ui.routing.yml

EntityDisplayModeListBuilder::render in core/modules/field_ui/src/EntityDisplayModeListBuilder.php
Builds the entity listing as renderable array for table.html.twig.
EntityFormDisplayEditForm::getDisplayModesLink in core/modules/field_ui/src/Form/EntityFormDisplayEditForm.php
Returns a link to the form or view mode admin page.
EntityViewDisplayEditForm::getDisplayModesLink in core/modules/field_ui/src/Form/EntityViewDisplayEditForm.php
Returns a link to the form or view mode admin page.
FieldUiHooks::help in core/modules/field_ui/src/Hook/FieldUiHooks.php
Implements hook_help().

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