The Stock templates you create in the admin page are used to populate the lists used in both the Stock Templates page and the Edit Sites Stock templates tab. This will limit the menu options you have avalible for specific Sites.
This article will teach you...
How to add new Stock Templates to the Stock Templates list.
- Go to Admin > Stock Templates  > click Add 
- In the Stock Template details window give the new Template a Name  and a Note  to explain what the Template is for.
When writing the Note information you do not need to go into a lot of detail, keep it short and straightforward.
- Click the Save  button to complete the action.