A pattern is referred to as Spartan if it can be easily constructed with a slow salvo. What is implied by easily is quite subjective and normally means that the pattern is a constellation of Spartan still lifes, that is sparse enough for them to be constructed in order without interfering with previously constructed islands. Spartan patterns may also include Spartan oscillators, but in practice they are not as important, because Spartan patterns are primarily used in stable self-constructing circuitry.
Spartan still lifes
These still-lifes are commonly considered Spartan: block, tub, boat, hive, ship, loaf, eater 1, long boat, pond. Snake and aircraft carrier are also small enough that they might be considered Spartan, but they are generally not included because in most conduits they can be replaced by an eater 1, which is easier to construct. Similarly, barge can be normally replaced by a boat. On the other hand, long boat is important not as a conduit component, but as the simplest color-changing 180-degree one-time reflector.
These oscillators are regarded as Spartan: blinker, beacon, toad. Spartan oscillators are normally considered only as an intermediate synthesis product in p2 slow salvo construction. Pulsar is technically Spartan too, but it hasn't appeared useful enough to bother developing p3 or p6 slow salvo synthesis.