From this tutorial: https://help.clover.com/article/items... You can create items with variants (attributes and options) from the Clover Station, but not from the Web Dashboard. What exactly are "attributes" and "options"? Are they the same as modifiers and categories? How do they appear in JSON output or excel? Essentially I want to have an item with multiple sizes and track the inventory for each, but I don't want to make a new item for each size.