General Introduction to Language: Meaning, Characteristics, Functions and Branches

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Introduction

Language is one of the most important tools of human existence and interaction. It serves as the primary medium through which human beings communicate ideas, emotions, thoughts, experiences, and information. Since human beings naturally desire to express themselves and interact with others, language becomes indispensable in every society.

In its broadest sense, language may be defined as any system or means used for communication among human beings. It includes not only spoken language but also other forms such as sign language, body language, and surrogate systems of communication. However, the major concern in linguistic studies is spoken language, such as English, French, German, Yoruba, Igbo, Hausa, and Swahili.

There is an important distinction between the terms language and a language. The term language refers generally to the universal human capacity for communication, while a language refers to a specific linguistic system spoken by a particular group of people. For example, Yoruba, English, and French are specific languages. Furthermore, while language itself does not have dialects, a particular language may possess several dialects. For instance, Ijebu, Egba, Oyo, and Igbomina are dialects of the Yoruba language.

Human communication


Characteristics of Language

Language possesses several unique features that distinguish human communication from other forms of communication systems. Some of the major characteristics of language include:

1. Innateness

Innateness refers to the natural human capacity for language acquisition. Every normal human child is born with the inherent ability to learn language. This does not mean that a child is born speaking a language, but rather that the human brain is biologically programmed for language learning.

For example, a child born in Nigeria but raised in Germany will naturally acquire the German language through interaction with people in the environment. This demonstrates that language learning is an inborn human ability.

2. Arbitrariness

Arbitrariness means that there is no natural or logical relationship between words and the objects or ideas they represent. Words are assigned meanings through social agreement rather than natural connection.

For instance, the animal known as “goat” in English is called ewure in Yoruba, ewu in Igbo, and ewe in Benin. The object remains the same, but different languages use different words to refer to it.

This shows that linguistic signs are arbitrary.

3. Conventionality

Conventionality arises from the arbitrary nature of language. Since words have no natural relationship with their meanings, members of a speech community must collectively agree on how words are used and understood.

Language therefore operates through social conventions and accepted norms. For example, English speakers universally understand that the word “book” refers to a written or printed material used for reading because society has accepted that meaning.

Without convention, communication would become impossible.

4. Cultural Transmission

Language is culturally transmitted rather than biologically inherited. Human beings acquire language through interaction with members of their society.

A child learns language from parents, relatives, caregivers, and the larger speech community. This process also exposes the child to the culture, beliefs, traditions, and values of society.

For example, proverbs, greetings, and expressions in Yoruba culture are passed from one generation to another through language.

5. Displacement

Displacement refers to the ability of language users to communicate about things that are not physically present or events that occur outside the immediate environment.

Human beings can discuss the past, present, and future. They can also talk about imaginary situations and distant places.

For example:

  • A Nigerian can discuss events happening in London.
  • Historians can discuss events that occurred centuries ago.
  • People can talk about future plans and expectations.

This ability distinguishes human language from most animal communication systems.

6. Prevarication

Prevarication refers to the ability of humans to use language deceptively or falsely. Human beings can deliberately tell lies, exaggerate, or fabricate stories.

For example:

  • Someone may falsely claim, “I saw an angel yesterday.”
  • A student may lie about completing an assignment.

This feature demonstrates the flexibility and creativity of human language.


Functions of Language

Language performs several important functions in human society.

1. Communicative Function

The primary function of language is communication. Through language, people exchange information, ideas, knowledge, and opinions.

For instance, teachers use language to educate students, while journalists use language to disseminate information to the public.

2. Phatic Function

Language also serves a social function by helping people establish and maintain relationships.

In many situations, language is used not necessarily to exchange information but to create friendliness and social connection.

Example:

  • “Good morning.”
  • “How are you?”
  • “Hope you are fine?”

Such expressions help maintain cordial relationships within society.

3. Expressive (Conative) Function

Language allows individuals to express emotions, feelings, and psychological states.

Through language, people express:

  • Happiness
  • Anger
  • Fear
  • Sadness
  • Excitement

For example, someone may shout “I’m so happy!” after receiving good news.

4. Directive Function

Language is used to direct, command, instruct, or influence behavior.

Examples include:

  • Teachers giving instructions in class.
  • Parents directing children.
  • Leaders issuing commands.

Statements such as “Sit down,” “Submit your assignment,” or “Vote wisely” perform directive functions.

5. Persuasive Function

Language can also be used to persuade or convince people.

Politicians, advertisers, religious leaders, and motivational speakers often use persuasive language to influence public opinion or behavior.

For example:

  • Political campaigns aim to convince citizens to vote for candidates.
  • Advertisements persuade consumers to buy products.


Branches of Language Study

Language can be studied from different perspectives and structural levels. The major branches of language study include:

Phonetics and Phonology

Phonetics

Phonetics studies speech sounds, including how they are produced, transmitted, and perceived.

Branches of Phonetics

a. Articulatory Phonetics

This examines how speech organs produce sounds.

b. Acoustic Phonetics

This studies the physical properties of speech sounds such as pitch and frequency.

c. Auditory Phonetics

This focuses on how sounds are received and interpreted by the human ear.


Phonology

Phonology studies how sounds function within a specific language.

Types of Phonology

a. Segmental Phonology

Deals with individual speech sounds.

b. Suprasegmental Phonology

Deals with stress, intonation, rhythm, and tone.

For example, tone plays a crucial role in Yoruba language meaning.

Diagram of Organs of Speech


Morphology

Morphology studies the structure and formation of words.

It examines how morphemes (smallest units of meaning) combine to form words.

Examples:

  • Teacher = teach + er
  • Unhappiness = un + happy + ness

Morphology also studies:

  • Affixation
  • Compounding
  • Clipping
  • Acronyms
  • Reduplication


Semantics

Semantics is the study of meaning in language.

It examines how words, phrases, and sentences convey meaning in different contexts.

Important semantic concepts include:

  • Synonymy
  • Antonymy
  • Polysemy
  • Ambiguity
  • Entailment
  • Presupposition

For example:

  • Big and large are synonyms.
  • Hot and cold are antonyms.


Grammar

Grammar refers to the system of rules governing the structure and use of language.

It explains how words combine to form meaningful and acceptable sentences.

Grammar covers areas such as:

  • Concord
  • Tense
  • Sentence structure
  • Reported speech
  • Punctuation

Without grammar, effective communication would be difficult because language would lack structure and clarity.


Conclusion

Language remains an indispensable aspect of human society because it enables communication, social interaction, cultural transmission, and intellectual development. Through its various characteristics and functions, language distinguishes humans from other living creatures and facilitates societal organization.

The study of language through branches such as phonetics, phonology, morphology, semantics, and grammar provides a deeper understanding of how communication operates. Ultimately, language is not merely a tool for speaking but a powerful instrument for preserving culture, expressing identity, and shaping human civilization. 


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