1) Theoretical and methodological aspects

The notion of language sign and illustration of the fundamental features of historical-natural languages (biplanarity, arbitrariness, double articulation, linearity, etc); language as a system of communication.

2) Phonetic / phonological level

Articulatory phonetics: the notion of phone, the classification of language sounds, the phonetic transcription according to the International Phonetic Alphabet (IPA) conventions;
phonology: the notion of phoneme; classical Prague phonology as a descriptive model of the functioning of sounds within a given linguistic system.

3) Principles of morphology, syntax, semantics and pragmatics

Illustration of the functioning of the other levels of language analysis: morphology, syntax, semantics and pragmatics.

4) Neurolinguistic aspects of different components of the structure of language

Classification of language errors in relation to the different levels of analysis:

- phonetics/phonology
- morphology
- syntax
- semantics
- pragmatics