Use cutting to define an opening or boundary
Sawing may be part of a utility trench, a door opening or a removal perimeter. The request should show the cut layout, depth, material and adjacent construction rather than simply asking for an unspecified cut.
Use breaking within a defined removal scope
Breaking is reviewed for slabs, footings, walls and other concrete that must be removed. The plan needs to account for reinforcement, the stability of what remains and the route used to load the debris.
Many projects need both
A replacement slab may need a cut at the part being preserved, breakout inside the limit and loading afterward. Ask for those stages together when the intended result is a clear space, not only a saw line.
Do not choose a method from appearance alone
Structural drawings, embedded utility information, access and protection requirements influence the method. Suspended, prestressed or load-bearing elements need the appropriate professional review before disturbance.