Blocked — The number of processes that have been switched to the waiting queue and waiting state.

Child — The number of processes spawned by another process already running on the machine.

Defunct — The number of processes that have terminated (either because they have been killed by a signal or have called exit()) and whose parent processes have not yet received notification of their termination by executing some form of the wait() system call.

Stopped — The number of processes that have stopped before their executions could be completed.

Sleeping — A process that is in the Interruptible sleep state and that can later be reintroduced into memory, resuming execution where it left off.