A Vietor Triangle is a schematic representation of vowel sounds, created by Wilhelm Vietor (1850-1918, German philologist and phonetician). It shows the position of the tongue and jaw according the vowel sound(s) required when speaking. ... The tongue moves either vertically and horizontally within the oral cavity.
Answer:Carlson is confused because he doesn't understand true friendship. This relates to the theme of male friendship as not many guys travel together and many are alone.