Steve Witkoff told CNN it was agreed at the Alaska summit that the US and Europe could "effectively offer Article 5-like language to cover a security guarantee", referring to Nato's principle that an attack on one member is an attack on all.
NATO Artcle 5
https://www.nato.int/cps/en/natohq/official_texts_17120.htm
Article 5The Parties agree that an armed attack against one or more of them in Europe or North America shall be considered an attack against them all and consequently they agree that, if such an armed attack occurs, each of them, in exercise of the right of individual or collective self-defence recognised by Article 51 of the Charter of the United Nations, will assist the Party or Parties so attacked by taking forthwith, individually and in concert with the other Parties, such action as it deems necessary, including the use of armed force, to restore and maintain the security of the North Atlantic area.
Any such armed attack and all measures taken as a result thereof shall immediately be reported to the Security Council. Such measures shall be terminated when the Security Council has taken the measures necessary to restore and maintain international peace and security.
Article 5 provides no guarantee of military action by anybody. It provides that each member nation will take such action as it deems necessary, and that may, or may not, include armed attack.
I hope you aren’t a lawyer. You clearly don’t understand how the language of the article works.