How to summarize line columns of quote template, Please help me out 

what is the diff between options and optional for

Below message Snaplogic getting while sending response to salesforce(salesforce forcefully closes connection)
Encountered an error while sending response to triggered task client
Reason: An existing connection was forcibly closed by the remote host
Resolution: Check network connection and make sure the client is fully reading the response

Thanks
 

what is the diff between options and optional for

While creating a custom object, in object classification, we have this three options(either all enabled/disabled).
I want to know difference between these three.

Here is the image of object classification.