In both inference and observation, you have to monitor or observe something.
Here's one example, you can build on it:
Sherlock Holmes 'observed' the scene below him.
His 'inference' was based on the evidences given to him.
Here's the definition of both of them...
the action or process of closely observing or monitoring something or someone is called observation.
a conclusion reached on the basis of evidence and reasoning is inference.
They won't let me put my answer so it's a comment sorry
Answer: Maps and borders do have positive traits. An example of a positive trait for borders is, they help keep people safe and secure on both sides. A example of a positive trait of a map is, if you get lost you can pinpoint your location and find your destination.