This is the 5005th most frequent Chinese word.
链接
"链接" means "link" or "connection."
In this sentence, '链接' is used as a noun to refer to a URL or hyperlink.
这个网页的链接已经失效了。
The link to this webpage has expired.
Here, '链接' is used as a verb meaning to connect or associate items.
请你把两个文件链接起来。
Please link the two files together.
'链接' in this case metaphorically represents a connection or relationship between two concepts or events.