السلام عليكم و رحمة الله
We’re going to dive into what is actually considered “speech” in Arabic. To start with, the definition in Arabic is:
الكَلامُ هُوَ اللَفْظُ المُرَكَّبُ المُفِيْدُ بِالوَضْعِ
كَلام (speech) is beneficial (مُفِيد), composite (مُرَكَّب) utterance (لَفْط), upon established rules (بالوضع).