 In this sense, the term "dialect" is often reserved to only the main outlying forms listed in the next section (Tsakonian, Pontic, Cappadocian and Grico), whereas the bulk of the mainstream spoken varieties of present-day Greece are classified as "idioms".However, most English-speaking linguists tend to refer to them as "dialects", emphasising degrees of variation only when necessary.The geographical varieties of Greek are divided into three main groups, Northern, Semi-Northern and Southern, based on whether they make synizesis and vowel elision