fore ‧ front /ˈfɔːfrʌnt $ ˈfɔːr-/ BrE AmE noun
1 . be at/in/to the forefront (of something) to be in a leading position in an important activity that is trying to achieve something or develop new ideas:
The company has always been at the forefront of science and technology.
Prison conditions have been pushed to the forefront of public debate.
2 . be in/at/to the forefront of sb’s mind/attention etc to be what someone is thinking about most, because it is very important to them ⇨ at the back of sb’s mind :
Fear of unemployment was at the forefront of everyone’s minds.