لأن الكلام إما خبر وإما إنشاء
For speech is either report (khabar) or non-assertive expression (inshaʾ).
A report presents a relation as obtaining or not obtaining, so it can be assessed for truth or falsity. Inshaʾ performs such acts as asking, commanding or requesting; it is not a report that is true or false in the same way.
ReportInshaʾ
زَيْدٌ حَاضِرٌ — Zayd is present.هَلْ زَيْدٌ حَاضِرٌ؟ — Is Zayd present?
Asserts presenceAsks about presence
Both utterances may be complete, yet their communicative acts are different.