Principles of classification of phraseological units

As a branch of linguistics, the main focus of phraseology is on the study of the nature of phraseology and their categorical features, as well as on the laws of the use of phraseology in speech. The most important problem in phraseology is to distinguish phraseological units from the word combinations that are formed in speech, and on this basis to identify the features of phraseological units. This article discusses the classification features of phraseological units