Resolution is a noun with multiple meanings:
1. A firm decision to do or not to do something: "She made a resolution to exercise more."
2. The quality of being determined or resolute: "He tackled the problem with resolution."
3. The action of solving a problem or contentious matter: "The resolution of the dispute took months."
4. (Tech) The degree of detail visible in an image: "This camera has a high resolution."
5. (Law) A formal decision by a legislative body: "The UN passed a resolution on climate change."