Manual Test Scripts are not Nothing but every thing 
Yes you can say manual scripts include test cases, basically the test flow for a particular functionality testing in your AUT.
you can also treat it as your primary specification for the automation scripts.
You will need to use a best suitable tool for your AUT in order to automate your manual scripts. then automate each step in your manual script depending on various this your tool's architecture, framework, scripting language etc.
you will need to research more on Software Testing Basics to get things more clearer.
Yes you can say manual scripts include test cases, basically the test flow for a particular functionality testing in your AUT.
you can also treat it as your primary specification for the automation scripts.
You will need to use a best suitable tool for your AUT in order to automate your manual scripts. then automate each step in your manual script depending on various this your tool's architecture, framework, scripting language etc.
you will need to research more on Software Testing Basics to get things more clearer.
