From Longman Dictionary of Contemporary Englishbe in/at/to the forefront of somebody’s mind/attention etcbe in/at/to the forefront of somebody’s mind/attention etcto be what someone is thinking about most, because it is very important to them → at the back of somebody’s mind Fear of unemployment was at the forefront of everyone’s minds. → forefront
Examples from the Corpus
be in/at/to the forefront of somebody’s mind/attention etc• This meant that fund-raising news and any other news about the deaf was in the forefront of everyone's attention.• The risks of a court case also have to be in the forefront of your mind. 