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

Spanish (español) is a Romance language named for its origins as the native tongue of a large proportion of the inhabitants of Spain. Spanish is the second most natively spoken language in the world, after Mandarin Chinese. wikipedia.org

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

Subtitles are textual versions of the dialog in films and television programs, usually displayed at the bottom of the screen. They can either be a form of written translation of a dialog in a foreign language, or a written rendering of the dialog in the same language, with or without added 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

Linguistics is a research field devoted to the scientific study of language. wikipedia.org

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

Translation from French to Spanish and Spanish to French.

Translation from English to Portuguese and Portuguese to English.

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

Translation from English to Spanish and Spanish to English.

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