To tell someone how something looks, smells, feels, acts, tastes, sounds, we have to depend on five physical senses (sight, hearing, smell, touch, taste) as well as our emotions (how something makes us feel) because we need to mention its size, shape, color, texture, smell, taste, and even use. The main purpose of describing something is to help the reader visualize whatever is being described, even if we are describing something we can't really see, like an emotion. But emphasis should be placed on only one aspect of the object at a time, probably its most important characteristic.
Examples:
1. Of the various currencies in ancient China, the round bronze coin with square hole in the center was by far the most common. The earliest coins in this form were a product of China’s first centralized kingdom, the Qin dynasty, established by Qin Shi Huang in 221 B. C. (The earliest coins in China)
2. An egg is small, oval and lightweight. It is small enough to fit into the palm of a person’s hand. (Eggs).