Alongside the Queen's duties as Head of State (opening Parliament, meeting prime ministers, making overseas visits), Britain now has a "Head of Nation".
Sir Antony Jay, whose gifts to the nation include co-creating Yes, Prime Minister, is credited with first outlining the twin notions of Head of State and Head of Nation in a book published alongside his defining 1990s documentary on the role of the Queen, Elizabeth R. The monarch's duties, he wrote, "can be done well, or adequately, or badly, or not done at all.
On Sri Lanka, the Congress government had to walk a diplomatic tightrope several times to satisfy its Tamil allies and under pressure from them, Mr Singh did not attend a meeting of the heads of Commonwealth nations in Colombo in November.
Instead it's likely to be built around voluntary pledges backed by each nations' head of state.
Political theorist Benjamin Barber takes this argument a step further in his book, If Mayors Ruled The World, in which he says mayors are far better at addressing global issues than heads of nation states.
He is also head of programmes (nations and regions) at Channel 4, a fanatical St Johnstone follower and someone who perfectly comprehends the blend of football, culture and politics in Scotland.
President Ondimba also fired Jules Marius Ogouebandja, the head of the Nations Cup Organising Committee (Cocan) on 1 December, just 55 days before the tournament kicks off.
The president serves as both head of government (the nation's chief administrator) and head of state (the symbolic embodiment of the nation).
He used the term numerous times in his first address to the nation as head of state on 17 March.
The President of Singapore is the nation's head of state.
