English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca. wikipedia.org

Bengali or Bangla is the language native to the region of Bengal, which comprises present-day Bangladesh and the Indian states West Bengal, Tripura and southern Assam. It is written using the Bengali script. wikipedia.org

Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. wikipedia.org

Interpretation or interpreting is oral translation of speech or sign from a language into another. wikipedia.org

Research and development (R&D, R+D, or R'n'D), known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products. wikipedia.org

An article is a written work published in a print or electronic medium. It may be for the purpose of propagating the news, research results, academic analysis or debate. wikipedia.org

A creative strategy generally explains how an advertising campaign will meet the advertising objectives of the business.

A subset of the field of commerce, business development comprises a number of techniques and responsibilities which aim at: wikipedia.org

Marketing research is the process or set of processes that links the producers, customers, and end users to the marketer through information. wikipedia.org

Copywriting is the use of words and ideas to promote a person, business, opinion or idea. wikipedia.org