Meaning of BENCHMARK in English
/ ˈbentʃmɑːk; NAmE -mɑːrk/ noun
something which can be measured and used as a standard that other things can be compared with :
Tests at the age of seven provide a benchmark against which the child's progress at school can be measured.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005