---
title: Glossary
slug: nftportal/glossary
docTags: 
createdAt: 2022-04-15T12:26:11.000Z
---

**Attributes: **A set of metadata on the NFT to define rarity and properties.

**Collection:** A set of NFTs linked together as a bundle.

**Floor Price:** The lowest amount of Signa required to obtain an NFT using the *Buy Now* function.

**Network Fee:** The cost in Singa required to perform a transaction.

**NFT: **NFT stands for "non-fungible token." At a basic level, an NFT is a digital asset that links ownership to unique physical or digital items, such as works of art, real estate, music, or videos. 

**NFT SRC40**: Based on the SCR-40, the Signum NFTs use a standard smart contract on the Signum chain. [You find the description here](https://github.com/signum-network/SIPs/blob/master/SIP/sip-40.md).

**Royalties:** Fees which are paid to the royalties owner of an NFT upon each trade done. Royalties are transferrable.

**Signum**: Signum brings a powerful blockchain solution to the world in the most sustainable way.

**Signa**: The native coin at the Signum blockchain.