what is the meaning of the mool mantar in gurbani

Every sikh know the mool mantra by the birth beacuse we everyday listen it in the japji sahib path but wonder how many of us know the real meaning of the gurbani mool mantar ik onkar . This mool mantra has been very deep meaning when you do the vichar of gurbani you will understand the true essense of gurbani . So when we rely upon only on translation we can not get the true meaning of gurbani because gurbani has very deep meanings in it . I am learning this all vichar from dharam singh nihang singh ji from past five years and now I am able to understand that all the previous translation of gurbani done by various scholars are not right because they were all the scholars not the gurmukh because gurbani clearly says that .

   ਬਾਣੀ ਬਿਰਲੋ ਵਿਚਾਰ ਸੀ ਜੇ ਕੋ ਗੁਰਮੁਖ ਹੋਏ ।।

Meaning is that there are few people who are first gurmukh who can explain the true meaning of gurbani and why , beacuse there is problem with scholars that they don't know the bram vidhya knowledge of the brahm so the end up  with explanation of guru granth sahib to the sansari meanings , they don't know the difference between atma and body , gurbani don't talk about materialistic word rather that it is focused on the inner soul atma level meanings in gurbani 

Now let's take first word of the mool mantra ik onkar what is the meaning of ik onkar means really. Ik means simply one and onkar itself has very vast and deep meaning of it . Understand the meaning on one is not simple in gurbani as we think , so let's take a example when we understand the one what we know about it , the one is the smallest number is numeric and before one there is zero and zero has no value in it ,but it's doesn't mean the zero is nothing zero also has some shape and existence. So the ik means one and onkar doesn't mean god beacuse god is not our word gurbani can't use this word nowhere in guru granth sahib , so Sikhs should not use this word god , onkar is a quality of one , who is one,  one is who who doesn't born in this world who is pooran brahm meaning , all the pooran brahm who doesn't born in this world is one beacuse they all are one , they don't have the duality in their mind , all the pooran brahm and collective power of the sachkhand is called the hukam shabad bhana shakti so it has many name to define the divine will of the sachkhand, whoever born in this word ,all people are in duality beacuse they were in agyan in sachkhand so they loose the sachkhand and put this world to regain their purity again , and as long as we don't get this mukti avastha in our life we can not get salvation from this word no matter how many lives we have to take birth in this world ,  so we can question that why this body is given to us. The answer is let's take example that there is a society and there are some rules and regulations of society but if someone break the law what society can do they will separate that person from the society and can put him to jail . Is the jail is punishment no jail is for to realize their fault and regain the purity in their life that they can be part of that society again . So the same way the one has the basic eight quality that someone can attiain and remain in the state of oneness. That is ik onkar satnam karta purkh nirbhau nivair akal murt ajooni svah bhang . Satnam meaning sat means truth nam here is very deep meaning name reflects the power of one that comes from truth only ,karta purkh means karta means creater atma is also karta creator beacuse we create many things but atma doesn't have the knowledge to create this universes same like the dog doesn't has the knowledge to build a house or car or mobile beacuse the knowledge leval difference, but atma is same beacuse same atma in dogs body and same atma is in human body reside, purkh here is has some deep meaning by writing we can explain some core meaning purkh means poora full and make other to full with knowledge diving will of sachkhand is purkh who is providing all atma soul the truth and right path inner soul voice is divine voice from the sachkhand the is giving direction to Every atma that what is good and what is wrong , but by ego and our worldy desires we don't listen to it and ignore the voice of truth and follow our mind , akal means beyond time atma is beyond time there is nothing is this world that can cross the time limit by the time every thing is ended even we can repair body and our other things but as the time pass all things have to end , but we are atma and sachkhand all are pure atma we never ends we never die so this quality of our never ends , murt means existence the existence of atma is beyond time , ajooni means that never born in human body again this quality we lost in sachkhand beacuse we put in to jail now we have body so this quality we have to regain again , this is called the mukt avastha we someone is free from death and birth cycle , sabhang , this is quality of atma one is sabhang , some times we know that what we doing is wrong act but by ego we do wrong this in our life , this is beacuse we have this free will to choose either path of truth or path of darkness that is our own will , our own will creates problem in our life's , svabhang means who can break itself we break ourself from truth and became two , now we are not one , same like here if 100 people have same thinking and opinions they are one , but if somebody has different opinions, they became two , now we have this dual thinking in our mind , but divine will always give us the direction how we can attain the truth ,