tekstblok(A segment of text that can be selected and acted upon as a whole in an application); blok(A segment of text that can be selected and acted upon as a whole in an application); blokere(To prevent another user from initiating a conversation and from viewing your presence or other information, such as your personal information)
Bloker(A permission setting that prevents a person or domain from adding the user to contact lists, seeing the user's status, or sending instant messages to the user)
