Speech or oral human language, which is defined and agreed together to represent a mental image of something that can be supported include eye, nose, ear sensory valve body.
Word or a sentence This is a determined man and agreed to the conception of things. Which can be perceived through the eyes, ears, nose, tongue, body and senses.
The words or informed. The human language use and agreed to replace the concept of things. Which can be perceived sensory, including eyes, ears, nose, tongue, body.