How are new coins initially distributed when a coin first launches? And other questions

1. How does initial supply and max supply work for coins?

2. When a coin launches, is the full initial supply released immediately or over time?

4a. When are coins that were not a part of the initial supply, released and are they released all at once or over time?

4b. If over time, do coins that were not a part of the initial supply follow the same release plan that coins from the initial supply did?

1. Are is the creator initial balance of coins given all at once when the coin launches or over time?

2. Is the creator initial balance able to be sold immediately after coin launch, or does a certain time period have to go by before those coins can be sold?

Any links or names of videos or texts relating to this cryptocurrency topics are appreciated.