We shall begin by studying the smallest unit of behavior shared by human beings. The smallest unit of human behavior is a trait that is found in all human personality. We need a tool to identify its characteristic or qualities. The best tool to use is our language since every language is capable of communicating how we behave, feel, think and do.

Language is a communication tool to communicate meanings of things. Every language has its own structure and semantic context. It describes what, when, where and how we ought to do a thing. It describes how we think and feel about things and what we do with them. Despite that, language is not a perfect tool. It can cause a breakdown in communication. Its structure and semantic context can communicate double meanings.

For example: Take my picture could mean getting someone to take a copy of your picture from somewhere. It could also mean using a camera to take your picture. Hence using words or adjectival descriptors to describe personality may have its flaws. A more accurate method of describing personality is to incorporate the structure and the semantic contexts of a specific situation.

Bernard asserts that before a language tool is used to dissect the parts of human behavior, let us understand the components and parts that make a language.

Every language has a structure. The structure is made up of a string of words forming phrase, clause and sentence regulated by grammatical rules. Every structure has its semantic content. The semantic content is found in the meanings of the strings of words. A word is made up of one or more morpheme. A morpheme is defined as the smallest unit of meaning standing by itself. A word contains one or more morphemes. Root word, prefix and suffix contains one morpheme. When a prefix or/and a suffix is attached to a root word it would consists of two or more morphemes, For example; organize is a root word, dis+organize consists of two morphemes meaning not organize; dis+organiz (e)+(a)tion is made up of 3 units of morphemes meaning the state of being not organized. A context is made up of a string of sentences conveying meanings. Bernard believes that describing behavior is best understood in analyzing and interpreting the meanings or semantics within the context of its structure.