What is session template?
A pre-built DAW project containing your usual tracks, routing, plugins and window layout. For vocal work a template with the prompter already inserted and sized saves the same five minutes every single session.
Templates are also how a studio keeps house standards consistent between engineers, since the display settings that work for the room are already baked in.
A digital audio workstation: the software you record, edit and mix in. Cubase, Logic Pro, Ableton Live, Pro Tools, FL Studio, Studio One, Reaper and Cakewalk are the ones most vocal sessions run on.
An acoustically treated space for recording voice, isolated from the control room. Because it is isolated, the performer's only sources of information are the headphones and whatever screen faces them.