Describe the importance of a bill of lading in international trade. How does it serve as document of title and contract of carriage?

Suppose, ABC textile, a Bangladeshi exporter, is exporting garment product to a foreign buyer in Australia. The agreed Inco-Term is FOB and payment method is LC. What are the main documents required for transactions? Discuss the purpose and key components of the required documents in the context of this transactions.

As per Bangladesh Bank's directives, explain the role of authorized dealer branches in handling and delivering of shipping documents for export from Bangladesh.