Original: There are many ways to support more than one thread within a chip, namely: Interleaved multithreading: Interleaved issue of multiple instructions from different threads, also referred to as Temporal multithreading.
Simplified: There are many ways to support more than one thread inside a chip, namely: Interleaved multithreading (IMT) : Interleaved issue of multiple instructions from different threads, also referred to as Temporal multithreading.