这个英语句子是从句吗?主句是什么?从句是什么?

这个英语句子是从句吗?主句是什么?从句是什么?
brick-and-mortar is a traditional street-side business that deals with its customers face to face in an office or store that the business owns or rents

一个主句,两个定语从句.
主句是brick-and-mortar is a traditional street-side business
从句 that deals with its customers face to face in an office or store 修饰business,
从句 that the business owns or rents 修饰office or store