The Advanced Training Program on Humanitarian Action, (ATHA) aims to build a foundation of insightful and continuous dialogue on humanitarian issues among relevant stakeholders.

Internally displaced persons are "persons or groups of persons who have been forced or obliged to flee or to leave their homes or places of habitual residence, in particular as a result of or in order to avoid the effects of armed conflict, situations of generalised violence, violations of human rights or natural or human-made disasters, and who have not crossed an internationally recognised State border." (Guiding Principles on Internal Displacement, Introduction, para. 2)

IHL is the field of public international law which regulates the conduct of hostilities, namely restricting the means and methods of warfare available to parties to the conflict, and laying out protections afforded civilians and those no longer taking part in hostilities (hors de combat).