Subclasses and Stations

Stations and subclasses are semantically related. In some cases you can use "Stations" instead a noun "Subclasses".

Stations noun - (Roman Catholic Church) a devotion consisting of fourteen prayers said before a series of fourteen pictures or carvings representing successive incidents during Jesus' passage from Pilate's house to his crucifixion at Calvary.

Subclasses and stations are semantically related. Sometimes you can replace term "Subclasses" with "Stations", this nouns are similar.