Words without context are ghosts. Once you have memorized a batch of 200-300 words, you must see them alive. Use a German-English parallel text reader or simply watch an English YouTube video with German subtitles. Keep your PDF open. Every time you hear one of "your" 3000 words, pause and note how it is used in a real sentence. For example, knowing the word run is fine, but seeing "I ran into an old friend" (to encounter) or "The machine is running" (to operate) teaches you the true meaning.
I understand you're asking for an essay about the search term (which translates from German as "3000 most important English vocabulary words with translation pdf"). 3000 wichtigsten englischen vokabeln mit ubersetzung pdf
Print out the first 500 words. Cover the English column, look at the German translation, and try to produce the English word. Mark every word you get wrong. Those are your personal "critical list." Use a simple box system (Leitner box) or a free digital flashcard tool like Anki—importing the PDF’s contents—to review these difficult words at increasing intervals (1 day, 3 days, 1 week). Words without context are ghosts