usually

"To do justly", this refers to laws. "To love mercy", this refers to kind deeds. "And to walk discreetly with your God" this refers to bringing out the dead and bringing in the bride. And is it not a kal v'chomer? If matters which are usually not done discretely [like funeral and bridal processions], the Torah says to perform them with discretion, then matters which usually are done discreetly [like charity], how much more so [should they be performed discreetly.