Research comprises "creative work undertaken on a systematic basis in order to increase the stock of knowledge, including knowledge of man, culture and society, and the use of this stock of knowledge to devise new applications." wikipedia.org

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

Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search results. wikipedia.org

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

Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland (being that country's official language) and by Polish minorities in other countries. Its written standard is the Polish alphabet, which has several additions to the letters of the basic Latin script. wikipedia.org

Proofreading (also proof-reading) is the reading of a galley proof or computer monitor to detect and correct production-errors of text or art. Proofreaders are expected to be consistently accurate by default because they occupy the last stage of typographic production before publication. wikipedia.org

Translation from English to Polish and Polish to English.

SEO content is any content created with the goal of attracting search engine traffic. wikipedia.org

Translation from English to Polish and Polish to English.

Creative writing is considered to be any writing, fiction, poetry, or non-fiction, that goes outside the bounds of normal professional, journalistic, academic, and technical forms of literature. Works which fall into this category include novels, epics, short stories, and poems. wikipedia.org

Keyword research is a practice used by search engine optimization professionals to find and research actual search terms people enter into the search engines when conducting a search. wikipedia.org