Pictogram (pictographs writing) is a way of writing in which a picture or a drawing of an object is used to represents the object
بمعنى ان بدل كتابة اسم اي شئ نرسمه او نضع صورة له
Ideogram (ideographs writing) is a way of writing in which each symbol represents a concept an idea
بمعنى ان وضع شكل او صورة الشي تمثل وصف الفكرة المراد كتابتها