noun:an act of moving by lifting the foot and setting it down in a new position
She took a careful step forward onto the icy path.
noun:a horizontal surface in a staircase on which a person stands while climbing or descending
He sat on the bottom step of the staircase.
noun:a stage in a process or a degree in a scale
Getting a college degree is an important step toward a successful career.
noun:a particular movement or pattern in dancing
She mastered the difficult salsa step after weeks of practice.
verb:to lift and set down the foot or one foot after another
Please step outside so we can talk in private.