marketing system of product

I would like to write an introduction about management of information system ( proposal ) by 300 words explain my marketing system of product as mentioned below like 4 tables & each table have 20 rows .

– table 1 name : departments – content ( no. of employees- supervisor )

– table 2 name : marketing – content ( delivery name – type of marketing )

– table 3 name : budget – content (cost – revenue )

– table 4 name : selling items content ( quantity of product – type – production date – expiry date )

in attached data flow chart of hotel to use it as reference and clarify my desire idea about how i want to present my proposal .