The exact strategy I follow for building my vocabulary is to learn a new word each day, writing it down and collecting all the information about it, including the definition, synonyms, antonyms, word family, root, and even using it in a sentence along with a visual representation. These words are added to my personal dictionary, which I compile from watching series, dramas, podcasts, and reading whenever I encounter unfamiliar words. My exact target is to learn two words each day.