Malaysian language subject in primary and secondary schools. Article 152 of the Federation designates Malay as the official language. Between 1986 and 2007, the official term "Bahasa Malaysia" was replaced by ""Bahasa Melayu"". Today, to recognise that Malaysia is composed of many ethnic groups (and not only the ethnic Malays), the term "Bahasa Malaysia" has once again become the government's preferred designation for the ""Bahasa Kebangsaan"" (National Language) and the ""Bahasa Persatuan/Pemersatu"" (unifying language/lingua franca). The language is sometimes simply referred to as "BM" and often misnomered with the term "Bahasa". English continues, however, to be widely used in professional and commercial
Communication is undesirable. These include filtering, selective perception, information overload, emotions, language, silence, communication apprehension, gender differences and political correctness This also includes a lack of expressing "knowledge-appropriate" communication, which occurs when a person uses ambiguous or complex legal words, medical jargon, or descriptions of a situation or environment that is not understood by the recipient. Cultural differences exist within countries (tribal/regional differences, dialects etc.), between religious groups and in organisations or at an organisational level – where companies, teams and units may have different expectations, norms and idiolects. Families and family groups may also experience the effect of cultural barriers