| |||||||||
fore‧front

1 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.
be at/in/to the forefront (of something)
The company has always been at the forefront of science and technology.
Prison conditions have been pushed to the forefront of public debate.2 to 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.
be in/at/to the forefront of somebody's mind/attention etc
Fear of unemployment was at the forefront of everyone's minds.