What exactly does character resolution mean when linking?

Question

linux

Question for one of the tasks that a linker (linker) solves with an object file. pimiento.logdown.com/wrote/679405 (This is a translation of an article from Linux Journal) read this article. From it it is not clear what exactly character resolution means.
Each name before section relocation and link relocation is said to be exactly associated with a definition from the symbol table. What does it mean? Each unresolved symbol is replaced by a link in which the name of the object file and the index of the symbol table of the object file, or what do you mean the symbols are allowed?

Answer 1

It can be taken literally