Following keywords are used:
- segment: A track on the railway that has contacts e.g. IC_LN_3, KIO_LN_0_REV
- track: A physical part of the railway e.g. KH_ST_0, IC_JCT_0, ...
- station: IC, OC, KH or KH_REV
- platform: a specific segment in a station e.g. IC_ST_1, KH_ST_3, ...