For example, "The current national government is being attacked on all fronts" means that everyone is criticising them and for a wide range of reasons. It is using a war metaphor to describe the criticism.

What does it mean to be on the front?

On this front is a reference to war. It means 'here' or 'from my perspective' All is well on this front! See a translation. tmos.

What is the meaning of word front?

: the forward part or surface of something : the part of something that is seen first. : a place, position, or area that is most forward or is directly ahead. : the part of your body that faces forward and includes your face and chest.