- Polycentrism
- The shift from a unipolar order to a world of many centres of power. The thesis's first research question concerns its causes.
- Connectivity
- Control of supply chains, the energy market and the flows of finance, technology, knowledge and talent: the new object of great-power rivalry in place of territory.
- Hegemonic cycle
- A period of dominance by one power, lasting 100-150 years and resting on financial and technological innovation. The thesis proposes its own seven-phase model of the cycle.
- Land and sea power
- A sea power extends its influence linearly or at discrete points, through bases at chokepoints; a land power through rings of buffer zones.
- Kindleberger trap
- A period in which a declining hegemon stops providing global public goods and the challenger does not yet do so. In the thesis: a risk to the stability of the system during the US-China rivalry.
- A2/AD
- Anti-access and area-denial systems that make it hard for an adversary to enter and operate in a region. Russia's A2/AD arc runs from the Kola Peninsula to Syria and Libya.
- Operational gates
- Corridors of advance shaped by geography. In Poland the thesis points to the Brest Gate, the Suwałki Gap and the Przemyśl Gate, among others.
- Falin-Kvitsinsky doctrine
- The principle under which dependence on Russian energy takes the place of a Russian military presence in Central Europe.
- North-south axis
- A belt from the Balkans and Crimea through the Middle East and Central Asia to Iran and India. The thesis makes the choice of scenario depend on whether it is built.
- Junior partner
- The position of a Russia subordinated to China. The thesis assumes that Moscow will try to avoid it.