Plainly
look up a word, understand it — no rabbit hole
farther
adverbFAHR-ther
meaning in plain English
More distant in space - a greater physical distance away.
Think of a far road—each step takes you farther, just like walking away from the park.
for example
We walked farther down the beach to find a quiet spot.
Think of farther as more far for real distance you can measure with steps or miles - not time or ideas.