... linguistic and non ’ linguistic. The former encompasses and accompanies the piece of discourse under analysis. The later includes the type of communicative event, the topic, the purpose of the event, the ... medium of the language activity. It is the manifestation of the nature of the language code being used. Halliday and Hassaninclude here: Mode is the function of the text in the event, including therefore“both ... only from the US but also other countries, and paving the wayfor the development of other economic sectors such as aviation and agriculture. The successful implementation of the BTA in the past...