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The milestones and the ages that go with each milestone.

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The milestones and the ages that go with each milestone.

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The milestones on infant language are influenced biologically and environmentally. It is essentially a way to determine if a child is in the proper path in learning to speak.

Age: Birth. |Language Milestone: Crying.

Age: 2 to 4 months. |Language Milestone: Cooing begins.

Age: 5 months. |Language Milestone: Understanding first word.

Age: 6 months. |Language Milestone: Babbling begins.

Age: 7-11 months. |Language Milestone: Change from universal linguist to language specific listener.

Age: 8-12 months. |Language Milestone: Uses gestures, such as showing and pointing. Comprehension of words appears.

Age: 13 months. |Language Milestone: First word spoken.

Age: 18 months. |Language Milestone: Vocabulary spurt starts.

Age: 18-24 months. | Language Milestone: Uses two-word utterances. Rapid expansion of understanding of words.

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Pragmatics is defined as the appropriate use of language in different contexts. It is certainly a part of the final set of language rules. We use pragmatics of English when using polite language in appropriate situations such as speaking to a professor at college or a customer at work.

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In infant language development, Morphology refers to the units of meaning involved in a word formation. In addition, Morphology consists of morphemes. Understand that morpheme is essentially the word or a part of a word that cannot be broken into smaller meaningful parts. (Booij, 2013)  For example, the word doghouse consists of two morphemes which "dog" and "house". They come together to build a word which helps build a language.

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When explaining phonology in infant language development, let it be known that the term phonology is the sound system of the language. In addition, phonology consists of a phoneme which is the basic and smallest unit of sound that affects meaning. Take the letter "p" for example. In English the sound represented by the letter "p", as in the words "pan" and "span", is a phoneme.

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In infant language development, semantics simply refers to the meaning of sentences and words. For example, Boy and men share semantic features, but they differ semantically in regard to age.

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When referring to syntax in infant language development, one must understand that the syntax consists of combined words that form sentences and phrases that are understandable. It is as if someone uses "Isn't" in a sentence. We understand that "Isn't" is a short for "is not".