intercourse(conversation, business dealings, trade etc. between two or more people, countries etc.); socializing(It's a great app for socializing. — Это отличное приложение для общения.Alex_Odeychuk); interaction(при общении – when interactingtfennell); communication((an act, or means, of) conveying information)
conversation(IME mode which adjusts for getting high conversion rate from Hiragana (phonetic) to Kanji (hieroglyph) against spoken Japanese. For example, chat on the internet, e-mail, novel or drama. Additionally, if you input kao (hiragana), which means "face," and convert, you will get (:__))