That makes them often function as hyperbatons, or figures of disorder, because they can disrupt the flow of a sentence.
It limits or clarifies that phrase in some crucial way, such that the meaning of the sentence would change if the appositive were removed.
It provides non-essential information, and the essential meaning of the sentence would not change if the appositive were removed.
[citation needed] In the example above, the restrictive first sentence is still correct even if there is only one brother.
More examples: Zero article: In the following examples, the appositive phrases are shown in italics: A false title is a kind of restrictive appositive, as in "Noted biologist Jane Smith has arrived".