offset item的意思|示意

Locating a valid parent object, given a coordinate offset or starting item in the hierarchy to search.

根据要在搜寻的阶层架构中的座标位移或开始项目，找出有效的父物件。

An RVA is the address of an item once loaded into memory, with the base address of the image file subtracted from it (i. e., the offset from the base address where the file is loaded).

RVA是将某一项加载到内存之后的地址，减去镜像文件的基地址得到的值(也就是从文件加载到内存之后的基地址开始的偏移量)。