[Brilliant Shores]

sentence can be written or spoken. it simply a group of words that expresses a complete thought.
e.g.' the world is my home'.


utterance can be any vocally produced sound. the most important thing is utterance can be utter only in front of a listener.
e.g. 'Hello, how are u John.'

بمعنى آخر السينتس تكون مكتوبة أو ملفوظة لكن الاتيرنس تكون ملفوظة فقط