Test case terminology mostly used for Manual Testing 
whereas Test Script mostly used for Automation Testing 
• A test case is a documentation which specifies input 
values, expected output and the preconditions for executing 
the test. It's also a layout of the low-level details on 
how to test the scenario 
• A test script in software testing is a set of 
instructions that will be performed on the system 
under test to test that the 
system functions as expected.

Test case mostly used for 
Manual Testing where as Test Script
mostly used for Automation Testing
• A test case is a documentation which
specifies input values, expected output
and the preconditions for executing
the test. It's also a layout of the 
low-level details on how to test the scenario
• A test script in software testing is
a set of instructions that will be performed
on the system under test to test that the
system functions as expected.