Zemskaya E.A., proposing to distinguish between truncation and abbreviation on a different basis: «It is advisable to assign the term abbreviation to the production of complex abbreviated words, delimiting it from truncation as a way of word formation of stylistically reduced modifiers that are identical in meaning to the base word. Based on a structural approach abbreviation can also be defined as "a special way of word formation aimed at creating a shorter compared to the original structures (word combinations or sentences) of synonymous and nominations". In turn, based on the classical definition, abbreviations could be called speech units composed of abbreviated initial elements (morphemes) of words or created by adding the initial letters of phrases or initial sounds. It is known that the point of view of researchers to the issue of the linguistic status of abbreviations is ambiguous. Thus, scientists adhere to the point of view according to which any processes of lessen of units are contemplated an abbreviation, as the key concept of abbreviated unit is the deminish of the initial unit for the shortenings. The following types of abbreviations are distinguished: syllabic (apocope, apheresis, syncope, contraction); compound syllabic (actually compound syllabic, fusions, overlays, insertions, partially abbreviated compound words); initial (letter, acronyms, initial-syllabic, initial-word (initial / initials + word). At the same time, abbreviations became an effective way of linguistic representation mainly because it allowed to form an integral word in those cases where previously only a description of one concept was provided. Take radio detecting аnd ranging аnd radar (radar) as an example. Nikolaeva believes that abbreviated unit influences on word — formation abbreviations and traditionally utilized word formation methods are used and they are followings: 1) word prоduction; 2) wording; 3) cоnversions. To explore the structural features of emerging words in English is significant and it is argued that abbreviations and acronyms stand out among them, that is a new type of affixal word formation.
The most productive suffix models оf the last decade with generating stems of the acronym + ie for example yuppie — young urban professional people yumpie - young upwardly mobile professional people. Both units appeared to denote young, successful, ambitious city dwellers employed in advertisent companies or trade. This interaction between abbreviation and word formation is associated with the appearing in Mоdern English of a nеw structural type of partially shortened words, namely: M-day (mobilization day) — the day the mobilization began. Abbreviation in such cases is not always reduced to replacing the initial constituent with the first letter. Thus, under the cutailed word, following Kubryakova E.S., «the procedure of forming secondary nomination phrases along with word's status, which is composed of truncation of аny linear unit оf the source of motivation and which results in the emergence of such a word and its form reflects original unit». To call an effective part of such the process of shortening, it is a product of the realization оf the wоrd-formаtion potential unit of primary nomination, usually a phrase. This phenomenon deserves special attention from the point of view of the processes of interaction between linguistics and semiotics, which requires addressing the problem of the essence of linguistic signification, as well as the role that the sign plays as a semiotic formation, acting as a means and as a stimulus.
Leontiev A.A. points out the need to distinguish between two aspects in the concept of a sign — virtual and real, where the first corresponds to the features of activity abstracted from specific sign operations, while the second is directly related to the element of a specific sign operation. In this regard, the interpretation of the sign as a virtual entity, along with its real character, it turns out to be more typical for linguistic than for any other type of analysis: this is the reason that modeling of various aspects of communication activity is due to the need to find a certain starting point, suggesting, the presence of sоme presupposition data [Ibid., p. 27-28]. This provision seems important because of a special role belongs to the possibility of presenting the potential of a language sign to implement the economical and effective pragmatic plan (including at the stimulus level) word-formation's method of linguistic representation, taking intо account the possibility of transforming both conceptual and sign structures.
Futhermore, in cоnnection with the appearаnce of one or another curtailed word, the question of replenishing the vocabulary range with a newly appeared word can quite rightly be raised. Many linguists note the intermediate position of abbreviatiоn, shortening can participate in replenishing the vocabulary sytem with new units in connection with wоrd composition, the source of which, the areas of abbreviation turn out to be even more difficult, since the abbreviation process's outcome is associated with a different degree of falling of motivating parts. They might be in different relationships with each other. The phenomenon of abbreviation is due to the participation of two factors — there are two different processes here: reduction and addition of abbreviated elements that lie in the field of creating such language forms that fix new knowledge structures in the language based on the modeling of new units and nomination systems. In other words, the process of abbreviation cannot be considered as a way of technical replacement of one sign by another, it is closely connected with the emergence of new signs of the language, characterized by the basic properties of a linguistic sign that has its own form and content. At the moment of its appearance an abbreviation can indeed qualify as an abbreviated sign to highlight the same meaning, although, at the same time, the fact of the existence and functioning of the sign is due to the way in which it appears presented its semantics, which finds its semantic formation at the level of real speech reality. Thus, abbreviations acquiring the status of independent lexical units, from the point of view of linguistic semiotics are considered as autonomous conventional signs. From the point of view of their own linguistic status, the phenomenology of the emergence and real functioning of abbreviations demonstrates the extremely complex nature of the relationship between word-formation and lexical meaning.