We all come to the point where we come across a sound or sounds that makes it difficult to blend the sound with the rest of your mix. It could be a bass part, a guitar part that sounds like the proverbial wasp-in-a-jam-jar or a synth pad that cuts through the mix too much. EQ-ing can help you eliminate these problems.
The EQ that comes with your DAW is often ideal for this sort of EQ-ing, as it will tend to be very accurate, having not been designed to emulate the vagaries and nuances of a fancy analogue EQ circuit. Open your EQ’s control panel and choose which band of the EQ to use based on where the problematic component of the sound is.
Read more about this here: https://www.musictech.net/2018/07/how-to-use-eq/