fmCategoryCopyMethod, fmCategoryPasteMethod - Copy/Paste Category.
To perform copy/paste PrestaShop category (ies) with subcategories or products you can use toolbar menu or context menu.
Also, these operations can be performed with more than one category at once.
You have to choose whether to:
You can use this option to copy PrestaShop category(ies) with products from one store and to paste it to another one using Quick connection switch.
Please note: this functionality was available only for stores based on PrestaShop ver. 1.4.x and lower. Newer PrestaShop versions have more enhanced database structure and due to this fact, categories cannot be copied within stores using Quick Connection switch.
Check PrestaShop Category Management section to find more about category editing.