What is the meaning of the word "continue"?

Definitions:

to allow to remain in a place or position or maintain a property or feature verb
- We cannot continue several servants any longer
to continue a certain state, condition, or activity verb
- I continued to play video games until the early morning hours.
to continue after an interruption verb
- The demonstration continued after a break for lunch
to continue talking verb
- I know it's hard, they continued, but there is no choice.
to do something repeatedly and showing no intention to stop verb
- We continued our research into the cause of the illness
to exist over a prolonged period of time verb
- The bad weather continued for two more weeks.
to keep or maintain in unaltered condition verb
- They continued the treatment.
to remain in a place, position, or situation verb
- I continued as the head of department.