[j45]

The way it's been explained to me is precedent is often referring to rulings that start with the similar courts geographically to other ones.

[mnw21cam]

It's not that simple either. Common law jurisdictions often use rulings at higher courts in completely different countries (as long as they are also common law jurisdictions) as precedent if it helps come to a suitable judgment.

[j45]

Absolutely. Depends on the court, country, and how relevant it might be. A friend recently walked me through the order of precedent for one area of law