Kosovo is independent
Naturally, the definition of independence will vary from person to person, however in a pragmatic sense Kosovo is independent because it holds the monopoly of violence which is the legal use of force, and jurisdiction over an area.
A country could be recognized by no other country in the world, and still be independent from an autonomy perspective provided that they control the jurisdiction in the area.
A country can claim any territory, but that does not give them control over it. They need a monopoly over violence in order to achieve that.
How does Kosovo become fully recognized as an independent
is a separate question.
There is a low chance that Kosovo will ever each full recognition due to the fact that Serbia will likely remain unwilling to recognize Kosovo as an independent country, but this is not needed to gain near global recognition
There are major nations such as China who are not recognized by all countries in the world - this doesn't affect China's independence in any major way.
In order to gain further recognition, Kosovo will need to build relations with more states across the world and play a diplomatic game in order to do this.
This will be difficult for the reason that many states will want to pick neither side at risk of upsetting Kosovo, or Serbia.
Kosovo has backing and recognition from most states that they interact with, either in trade, diplomacy, or military, and it doesn't necessarily matter that a state such as Serirra Leone doesn't recognize them.
There are many "micronations" (unrelated to microstates) who claim land but do not have any meaningful control over their territory, some examples include:
- Lumina
- Verdis
- See more
The process of establishing a state does not have a defined and codified standard.
Laws themselves are an abstract social construct, and the borders of a nation aren't a physical property of the universe. Neither are institutions, police or military - they are imaginary.
What is not imaginary, however, is the people which believe in such ideas, their resources and weapons.
Every country exists in people's minds through their beliefs.