How do you explain "a soft answer"

Proverbs 15:1

A soft answer turneth away wrath: but grievous words stir up anger.

Proverbs 25:15

By long forbearing is a prince persuaded, and a soft tongue breaketh the bone.

Job 41:3

Will he make many supplications unto thee? will he speak soft words unto thee?

This is the 2nd time showing this....