Level 5 of the platform, focusses on the ‘Cognitive’.
So far we have established a solid foundation at a physiological level to support survival. Then we have protected everything for the longer term on the safety and security level. After that we built the greatest of self belief, but without over emphasising our ego, on the self esteem level. Finally to reach here, we built a great community of relationships on the love and belonging level. So where next?
Well, now that we are successful on an physical and emotional level, we need to maximise our full potential on the cognitive level. 
Cognitive abilities, differ from intelligence, in that they are brain based skills and mental processes. These are the life skills that we will develop, in order to thrive better than before at this essential level. 
As a leader, amongst family, friends, colleagues or as a parent, this level will earn you respect and verbal recognition. It is important to maintain even humility when you demonstrate successful outcomes, to maximise this respect.

The equivalent ‘fifth’ level of the Japanese five elements, is known as ‘Void  Element.’ or ‘Ku’,. It is symbolised by the Japanese kanji, ‘

An artful description would be:

I am big,  I am small
I am hot, I am cold
I am North, I am South
I am in heaven, I am on earth
I am here, I am nowhere
Fight? There is no fight
There is only peace, use your cognition to find a way forward for all!
The equivalent of the chakra system is called is  ‘Vishuddha‘, which focuses on self expression and life purpose. It is known as the throat chakra. It is written in sanskrit as विशुद्ध
The virtues of this chakra are truth, purpose, expression, artistry, service, synchronicity and communication.