Short answers, pulled from the story.
The Cambridge Advanced Learner's Dictionary traces its origins to 1995, when Cambridge University Press published it under the title Cambridge International Dictionary of English. The first edition under the CALD name appeared in 2003.
The Cambridge Advanced Learner's Dictionary contains over 140,000 words, phrases, and meanings. It covers vocabulary from areas including technology, media, language, society, and lifestyle.
The fourth edition, published on the 6th of June 2013, is the current version. It was informed by the Cambridge International Corpus and includes a 32-page Focus on Writing section.
The dictionary is designed for learners at CEF levels B2 through C2, covering the range from upper-intermediate to near-native proficiency.
The 2022 Cambridge Dictionary Word of the Year was homer. It was selected because Wordle players, especially non-American ones, were searching the dictionary for five-letter words that could be used in the game.
Cambridge University Press and Assessment selects the Word of the Year based on data from what people search for in the dictionary's own search engine. The annual selection has been published every year since 2015.