What distinguishes a Sounding Rocket, Satellite Launch Vehicle (SLV) and Missile?

Sounding Rocket: They are used for probing the near earth environment including upper regions of atmosphere. They can carry scientific payloads to a height but they cannot impart the final velocity needed to orbit the payload.

Satellite Launch Vehicle (SLV): A launch vehicle injects into orbit a technological payload or satellite. At the final stage launch vehicle provides the necessary velocity for a satellite to enter an orbit.

Missile: It has onboard guidance and ability to home onto targets. For a moving target missile should have the target tracking functions.