Intangible assets are those assets which does not have any physical existence and therefore it's not possible to touch, it means these assets are not physical in nature such as Trademarks, which is an intellectual property that identifies product or services of a company.
Goodwill, is the value of a company because of the reputation or product it sells, the value of the company it's higher than the total value of its assets.
Business relations are the connections that exist between all entities that engage in commerce. That includes the relationships between various stakeholders in any business network, such as those between employers and employees, employers and business partners, and all of the companies a business associates with.