Frequency: The word is one of the 3000 most common words in English.
Ibid is used in books and journals to indicate that a piece of text taken from somewhere else is from the same source as the previous piece of text.
CONVENTION
IBID
Meaning of IBID in English
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006