The definition of compliment when used as part of sentence structure.
Here's some quotation from above link:Originally Posted by tdol
Eg: She sent him the fax. (The sentence is completed by telling us what she sent to him.)
Question:Isn't THE FAX 'indirect object'?
She (subject) sent (di-transitive verb) him (indirect object/IO) a fax (direct object/DO). :DOriginally Posted by sharguar
She sent him a fax. (IO + DO)
She sent a fax to him. (DO + IO)