key means the thing which is the stair of the success as we listen the word key at once in
our mind came the thing that is key and lock system as there is key for the lock and every key is different from ones another                                                                                                                                                                                                       if we take the key in sense of our education or any other thing in our daily life we come to know that every work in our daily life it has some key points if we follow all the key points then we will be successful in every field of life                                                                                                                      key is the simplest forms as we see if the wrong key is used in lock then it can not open as it is same like case in our daily life if we use wrong attempt in our life then it may possible at a time  we will success but not for whole life so always chose the best key in your life