The form is a basic component responsible for performing CRUD operations on an entity. The listingElements group referenced under vendor/magento/module-ui/etc/ui_configuration.xsd file provides a nice list of both primary and secondary form components:
| bookmark | dataProvider | fileUploader | massaction | range |
| boolean | date | form | modal | radioset |
| button | dynamicRows | hidden | multiline | select |
| checkbox | htmlContent | multiselect | tab | |
| checkboxset | exportButton | input | nav | text |
| component | field | insertForm | number | textarea |
| container | fieldset | insertListing | paging | wysiwyg |
| dataSource | file | listing | price |
Moving forward, we will use the form component, and a few of its secondary components to create the Stock Resupply screen as shown:

The form itself is to consist of Stock and +Qty fields. The Stock field will be a read-only field consisting of an SKU + current...