Instructions:
This answer to this question can be broken down into two parts.
1. Give a brief explanation about the trade taking place overseas
2. Write how the rulers used to impose taxes on the traders.
The inscription hints about the existence of overseas trade that was prevalent during the Kakatiya times.
The kings used to derive taxes from traders in general, and from those traders in particular who were involved in overseas trade. The inscription further enlightens us by mentioning the different articles on which taxes used to be collected by such traders.