Opportunities for interference are rare because the defended object must be more valuable than the sacrificed piece, and the interposition must itself present a threat.
Huczek defines interference as a tactic involving blocking moves that obstruct lines of attack.
Instead, it makes the opponent "trip over their own feet" because capturing the offending piece will necessarily break one line of defense or the other.
The device in the last example above, in which a sacrifice occurs on the intersection of the defensive lines of two differently moving pieces, is known to problemists as a Novotny.
Various other types of interference are given specific names in problem terminology, including the Grimshaw, Plachutta (where the two pieces both move orthogonally; see a beautiful example by Tarrasch), anti-Bristol, Holzhausen and Wurzburg–Plachutta.