1) Archetypal abandonment site 2) Doorsill 3) Place for a bell ringer 4) Sill 5) The sill of a door 6) Threshold 7) Where a bell ringer may stand 8) You cross it often 1) Doorsill 2) Threshold 
• (n.) The stone or plank forming a step before an outer door.
Door'step` noun The stone or plank forming a step before an outer door. 
Doorstep is slang for a thick slice of bread.
slang for wait around a private house or accost someone at home.
a step or one of a series of steps leading from the ground to a door. · a thick slice of bread.