This page will show the Gift Item form.
This page is using
[wpgv_giftitems]
shortcode for displaying the form
To display a particular item you can use shortcode with item_id parameter and find the item id from the item edit page
[wpgv_giftitems item_id='1']
To display gift items by assigned category you can use a shortcode with the item_cat_id parameter and you can find the category id from the category edit page.
[wpgv_giftitems item_cat_id='1']