Four part model
The four part model of Nonviolent Communication involves an observation, the feeling that is present, the need that has caused the feeling, and a clear request. (This is sometimes referred to collectively as OFNR.)
There is an out, in, out pattern to the model - the observation is something concrete and specific out in the world, the feeling and need help you go as deep as possible with what's alive in you and/or others, and the request is about manifesting as specifically as possible out in the world again.
(this could obviously use a lot of expanding)
More on needs by Manfred Max-Neef