1.  Picture writing was useful. However, it did have some problems, too. Sometimes it was hard to understand. The signs for certain objects, ideas, or emotions weren't always very clear. ______________, picture writers needed many pictures to communicate their ideas. It was hard to invent signs for each of the many words that a writer wanted to communicate. Also, picture writing took up a lot of space on the animal skin or fiber, and these were difficult materials to prepare.