eosio_oya_contracts Terms Collection: A collection can contain one or more assets. Asset: asset is present inside a collection. It can contain one or more items. Item: an item is called 'asset' only if the total no. of asset's copies is only one. Author: one who creates NFT Item. Author is also the seller for the 1st sale of the asset's item. Buyer: one who buy NFT Item. Seller: one who sell NFT Item. So, for 1st sale, the author is the seller unless gifted to someone. item price: price of NFT Item set by seller/author(1st sale). token acceptance: pay in fiat or crypto. ACTION TABLE assets marketplace