A question about tss and task context

[aladdin]

Now that I have a working multitasking stuf, I want to know what is the difference betwen a tss and task context ?
what i understand by reading some tutorials is that context is related to task stack, but I want to know what stack they mean, task ss:esp ? or ss0:esp0 ? .... or something else ?

[Pype.Clicker]

The TSS is a structure described by Intel to store the task context. The 'task context' is a fuzzy concept that concerns "all that you'd like to remember about the task so that you can resume it transparently later ..."

[aladdin]

so I have not to respect a defined structure to create a task context_t

thank you for help