For example, finger- spelling is used most frequently for nouns (e.g., “Toyota,” “pizza,” “studio”), but also may be used to express the meaning of certain adjectives (e.g., “busy,” “dark,” “tight”), prepositions (e.g., “to,” “on,” “about”), and a few verbs (e.g., “try,” “do,” “miss”).
A team or a group usually formed based on one similar goals or point of views among the members and a lot of them set up a couple of rules to be imposed among their members to prove that they're committed to the group and its cause.