Basic strategies are compound systems designed to improve the odds in favour of the player. How much they succeed at doing this can only be independently verified with the use of a package like Blackjack Examiner. The idea is to design a blackjack system to optimise the odds of every hand that can be dealt. Potentially, every hand could have a different system or some hands can share the same system. However the intricacy of this type of strategy makes for better play and at the same time is very difficult to develop.
Using the Test Hand Option, you can test various systems for each hand so that you can optimise your play regardless of the hand that is dealt. Once you have a system for each hand, enter it into the matrix under the Basic Tactics Option and test the overall system to see how it performs.
With Blackjack Examiner you can optimise your play to improve the odds.