Exemplar basically means a typical example, or model, of a concept or role. However the meaning can be extended to mean he best example of a concept or role. For instance, someone might say that you are an exemplar student, which can mean that you are a great example, or model, of a student.
The billboard presides over The Valley of Ashes.
a sentence containing a subordinate clause or clauses or you can also say its a complex sentence contains an independent clause and at least one dependent clause.
Because she wants to be with Romeo but her father was going to make her marry Paris
