1. Infinitive Phrase as Subject: "To embark on learning a new subject" uses an infinitive phrase as the subject of the sentence, which is a sophisticated grammatical structure that adds formality and clarity to the statement.
2. Passive Voice: "thorough research is initiated" employs the passive voice, which shifts the focus from the doer of the action to the action itself, emphasizing the process of research.
3. Relative Clauses: "where one can find detailed articles, instructional videos, and even free courses" uses a relative clause to provide additional information about the internet, enhancing the descriptiveness and flow of the sentence.
4. Participial Phrase: "engaging with online communities or forums dedicated to the subject" uses a participial phrase as a gerund, functioning as a noun and adding complexity to the sentence structure.