What the sentence means thus depends on its context of use.

The sentence, he writes, means something different from "You turn left at the end of the hall."

Although these sentences mean the same thing, they have different topics.

He also said the sentence did not "mean the end" of his legal efforts.

His 10-month sentence means that he will probably serve only about 18 weeks.

The present sentence means that he must serve at least four months.

A new sentence will probably mean their moral and political execution.

This shows that there is nothing which the sentence means, taken all by itself.

There are no facts of the matter about what individual sentences mean.

There are no facts of the matter about what an individual sentence means.