rights, privileges和concession，都有“权利”的含义，具体区别如下：

1.rights

权利范围最广，常见的搭配：property right财产权；right of first refusal优先购买权；have/reserve the right to有/保留......权利等等

2.privileges

英文释义:

a special advantage or immunity or benefit not enjoyed by all，即特权、优惠，给予特定人群好处、豁免或利益。例句：

The Russian Federation has issued a decree abolishing special privileges for government officials.

俄罗斯联邦已颁布了一条取消政府官员特权的法令。

3.concession

英文释义：

a contract granting the right to operate a subsidiary business主要指政府授予企业或个人经营或开展某种盈利活动的权利。例句：

Farmers were granted concessions from the government to develop the farms.

农民已获得政府授权开发这些农场。