Waste management is the precise name for the collection, transportation, disposal or recycling and monitoring of waste. This term is assigned to the material, waste material that is produced through human being activity. This material is managed to avoid its adverse effect over human health and environment.

When you take out the garbage - that's waste management. 'K?

It's simply the managing of waste or garbage at a dump or recycling facility/plant.

It is the business of processing garbage, recyclables, and green waste appropriately.

it's a residential and commercial garbage service

Most commonly it is garbage collection.