I think it means "Long Time No See"
For a long time.
time long past
It is asking for the length. It could be a linear dimension (usually the largest) or it could be the duration of time.
A long period of time can mean a great many things. It could mean that something isn't ready or prepared.
What do you mean the time? If you mean the flipping time for one page, then you can set the time by yourself. Normally 0.6 second is recommended. But if you mean how long we read a page of a flip book, that depends on different people.
no sitting there and not moving for a long time
Chronic
i dont exactly know what you mean about the time
no smoking in a really long time
something has been around a long time
A state of the country that has been with it for a long time.