Negotiation is a method by which people settle differences. It is a process by which compromise or agreement is reached while avoiding argument and dispute.
In any disagreement, individuals understandably aim to achieve the best possible outcome for their position (or perhaps an organisation they represent). However, the principles of fairness, seeking mutual benefit and maintaining a relationship are the keys to a successful outcome.
Specific forms of negotiation are used in many situations: international affairs, the legal system, government, industrial disputes or domestic relationships as examples. However, general negotiation skills can be learned and applied in a wide range of activities. Negotiation skills can be of great benefit in resolving any differences that arise between you and others.
Persuasion is a process aimed at changing a person's (or a group's) attitude or behavior toward some event, idea, object, or other person(s), by using written or spoken words to convey information, feelings, or reasoning, or a combination of them.
source : https://www.skillsyouneed.com/ips/negotiation.html#ixzz4X8pKlmXZ
source : http://www.businessdictionary.com/definition/persuasion.
kita biasa nampak (Malaysian obviously) perkataan 'nego' di media sosial terutamanya wechat (as what I see) bila ada orang nak jual barang dan dia akan kata harga boleh 'nego'. actually 'nego' ni datangnya dari 'Negotiation' yang bermaksud rundingan.
'Persuasion' pula dalam Bahasa Melayunya ialah 'pujukan'