If you find a contact you want to chat with, you can just click their name to bring up a new chat window on the bottom of the Gmail interface.
Ọ bụrụ na ịchọta kọntaktị ịchọrọ ikori, ịnwere ike pịa aha ha iji bulite windo nkata ọhụrụ na ala nke interface Gmail.